COLL


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization

us-gaap:GrossProfit

us-gaap:OperatingExpenses

us-gaap:ResearchAndDevelopmentExpense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpense
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
us-gaap:TypeOfArrangement

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
us-gaap:TypeOfArrangement

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent
us-gaap:DebtInstrument
us-gaap:LongTermDebt

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:ShareBasedCompensation
us-gaap:AwardType
us-gaap:DebtInstrument
us-gaap:AmortizationOfFinancingCosts

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

coll:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtEquityComponentOfTransactionCosts
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionBasePurchasePrice
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionCashPaidForInventory
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionCostsAccumulatedTotal
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionTotalReductionToBasePurchasePrice
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionTransactionCosts
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
coll:CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:Range, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
coll:CollaborativeArrangementRoyaltyPaymentLimit
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:Range, us-gaap:TypeOfArrangement
us-gaap:ValuationAllowancesAndReservesType
coll:ContractWithCustomerLiabilityChangeInEstimateOfPriorPeriodSales
us-gaap:ValuationAllowancesAndReservesType
coll:ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments
us-gaap:ValuationAllowancesAndReservesType
coll:ContractWithCustomerLiabilityProvisionForCurrentPeriodSales
us-gaap:DebtInstrument
coll:ContractualInterestExpense
us-gaap:DebtInstrument
coll:DebtInstrumentConvertibleMeasurementPeriod
us-gaap:DebtInstrument
coll:DebtInstrumentConvertibleThresholdPercentageOfProductOfSalePriceOfCommonStockAndConversionRate
us-gaap:DebtInstrument
coll:DebtInstrumentFacilityFeeAmount
us-gaap:DebtInstrument
coll:DebtInstrumentFacilityFeePercentage
us-gaap:DebtInstrument, us-gaap:VariableRate
coll:DebtInstrumentFloorRate
us-gaap:StatementScenario, us-gaap:DebtInstrument
coll:DebtInstrumentPrepaymentPremiumPercentage
us-gaap:DebtInstrument
coll:DebtInstrumentRedemptionThresholdPercentageOfStockPriceTrigger
us-gaap:DebtInstrument
coll:DebtInstrumentThresholdAmountOfSingleVoluntaryPrepaymentFromEquityProceeds
us-gaap:DebtInstrument
coll:DebtInstrumentThresholdAnnualNetSalesToBeMaintained

coll:EmployeeStockPurchasePlanCompensationExpense

coll:IncreaseDecreaseInAccruedRebatesReturnsAndDiscounts

coll:InventoryUsedInConstructionAndInstallationOfPropertyAndEquipment
us-gaap:LitigationCase
coll:NumberOfPatentsListedInFdaOrangeBook

coll:OperatingLeasePaymentsNonCash
us-gaap:ProductOrService
coll:PriorCommercializationAgreementReductionForCashTransferredCurrentYear
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:ReductionForAccruedRoyaltyObligationDischargedUponClosing
us-gaap:StatementEquityComponents
coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsShares

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CostOfGoodsAndServicesSoldAmortization
us-gaap:DebtInstrument
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionRatio1

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:AwardType
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeNet
us-gaap:LitigationCase
us-gaap:LossContingencyPatentsAllegedlyInfringedNumber
us-gaap:LitigationCase
us-gaap:LossContingencyPatentsFoundNotInfringedNumber

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
us-gaap:DebtInstrument
us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:LongtermDebtType

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:DebtInstrument
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:Range, us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
us-gaap:AwardType
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

coll:AccruedProductTaxesAndFeesCurrent

coll:AccruedRebatesReturnsAndDiscountsCurrent
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
coll:AdditionalCostsIncurred
us-gaap:TypeOfArrangement
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssets
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement
coll:CollaborativeArrangementGuaranteedRoyaltyPaymentLiability
us-gaap:DebtInstrument
coll:DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts
us-gaap:DebtInstrument
coll:DebtInstrumentDefaultProvisionsThresholdAmountBorrowed
us-gaap:DebtInstrument
coll:DebtInstrumentInitialCarryingAmountOfLiabilityComponent
us-gaap:DebtInstrument
coll:DebtInstrumentTotalMinimumPayments
us-gaap:DebtInstrument
coll:LongTermDebtMaturityYearFiveAndAfterYearFive

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedRoyaltiesCurrent
us-gaap:CashAndCashEquivalents
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ContractWithCustomerLiability

us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:ConvertibleLongTermNotesPayable
us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent
us-gaap:DebtInstrument
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:AwardType

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
us-gaap:TypeOfArrangement

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
us-gaap:TypeOfArrangement

us-gaap:InterestPayableCurrent
us-gaap:DebtInstrument
us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InventoryRawMaterials

us-gaap:InventoryWorkInProcess

us-gaap:LoansPayableCurrent
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermLoansPayable

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:DebtInstrument
us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:WorkersCompensationLiabilityCurrent

Tables

  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:CommonStockValue █▇▇▇▇▇▇▇▇▇▇▇▅▅▄▄▁0.0350.0340.0340.0340.0340.0330.0330.0330.0330.0330.0330.0330.0310.030.0290.0290.024
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNA34.49430234.3060433.6788433.52385833.41655333.38512833.26562933.24502633.1798633.02757932.77067830.765129.56541129.45855729.364123.588985
us-gaap:CommonStockSharesIssued NA34.49430234.3060433.6788433.52385833.41655333.38512833.26562933.24502633.1798633.02757932.77067830.765129.56541129.45855729.364123.588985
us-gaap:CommonStockSharesAuthorized NA100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0NA
us-gaap:PreferredStockSharesAuthorized NA5.05.05.05.05.05.05.05.05.05.05.05.05.05.05.05.0
us-gaap:CommonStockSharesOutstanding NA34.49430234.3060433.6788433.52385833.41655333.38512833.26562933.24502633.1798633.02757932.77067830.765129.56541129.45855729.364123.588985
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding NA35.09190635.069693NANA33.39770933.33191733.76976533.01217432.96771832.903674NANANANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic NA34.39526634.100688NANA33.39770933.33191733.2501833.01217432.96771832.903674NANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOptionNA2.3616012.2624NANA4.1901164.15658NANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:PerformanceSharesNA0.2674980.267498NA0.09940.09940.0994NANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSUNA0.7223880.057834NA0.8680750.8922370.893462NA0.5327870.522190.497686NA0.2188720.2231940.153361NA0.041739
us-gaap:EarningsPerShareBasic █▆▁0.330.230.01NA-0.18-0.14-0.290.27-0.5-0.4-0.57NANANA-0.79-1.0299999999999998-1.13
us-gaap:EarningsPerShareDiluted █▆▁0.320.230.01NA-0.18-0.14-0.290.27-0.5-0.4-0.57NANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
 TTM Greenblatt ROC _ _██▆▅▄▄▄▇▃▄▃▂▃▂▂▁▁19.62616.5495.061-2.373-6.375-5.008-9.99211.001-11.186-7.293-13.207-17.583-13.43-21.258-23.176-27.579-26.442
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ████▇██▇▇▇▇▂▂▁▁▁▁79.17678.05876.51174.20372.94275.0474.51673.42770.17673.06163.74910.79411.953.562.1721.3030.408
us-gaap:CostOfGoodsAndServicesSold ▅▅▆████▅██▇▁▁▁▁30.98329.69437.52449.08846.75448.65449.16429.72646.00746.83843.1061.0940.5530.5770.371NANA
us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization ▂▁█14.18812.89927.229NA43.06644.96645.476NANANANANANANANANANA
us-gaap:GrossProfit ██▁48.19348.36438.987NA26.18826.38625.352NANANANANANANANANANA
us-gaap:OperatingExpenses ▁▅█28.56731.81533.926NA32.56331.39435.344NANANANANANANANA28.88226.85
us-gaap:ResearchAndDevelopmentExpense ▂▄▅▃▄▄▆▃▁▃▃▂▂▂▂██2.1412.4932.6662.3982.4912.4592.9922.2491.9072.2372.2682.1942.0692.1792.133.3313.254
us-gaap:SellingGeneralAndAdministrativeExpense ▄▅▇▃▆▅▇▆█▇▇▃▁▁▁▃▂26.42629.32231.2625.0930.07228.93532.35230.45133.44831.27931.58225.08922.75822.06222.84725.36723.567
us-gaap:OperatingIncomeLoss ██▆▅▄▄▄▇▃▄▃▂▃▂▂▁▁19.62616.5495.061-2.373-6.375-5.008-9.99211.001-11.186-7.293-13.207-17.583-13.43-21.258-23.176-27.579-26.442
us-gaap:InterestExpense ██▅▁▁▁▁▃▆▆▆8.0638.2594.8230.2110.2280.2360.2342.4045.8686.1585.7NANANANA-0.0190.002
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument coll:PharmakonTermNotes▁█▁5.375664.02.986NANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument us-gaap:ConvertibleNotesPayable█▇▁2.6922.5951.386NANANANANANANANANANANANANANA
us-gaap:InterestPaidNet █▆▅▁▁▁▁▁▁▁▁▁▁▁▁▁6.4594.8033.4560.1660.1810.1840.1780.1730.1670.1330.1090.0180.0330.0390.0490.058NA
us-gaap:AllocatedShareBasedCompensationExpense ▇█▇▅▅▅▆▄▅▄▃▂▂▂▁▁▁5.1655.5844.9513.9664.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.641
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▁11.5668.304NANA-6.109-4.712NANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit █▁0.280.246NANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▇▆▆▅▅▄█▃▄▃▃▄▂▂▁▁11.2868.0580.45-2.201-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.444
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:Assets ▇▇▇▃▃▃▃▃▇██▁▁▁▁▂▁643.843646.87634.793306.302303.978301.581294.362291.245646.508673.329696.278135.568122.673124.515139.848162.01798.725
us-gaap:Liabilities ▆▇▇▃▃▃▃▃███▁▁▁▁▁▁471.157491.103493.73218.87219.72215.758208.012199.66575.728590.648605.45531.48826.40429.00225.48127.10924.4
us-gaap:LiabilitiesAndStockholdersEquity ▇▇▇▃▃▃▃▃▇██▁▁▁▁▂▁643.843646.87634.793306.302303.978301.581294.362291.245646.508673.329696.278135.568122.673124.515139.848162.01798.725
us-gaap:StockholdersEquity █▇▆▂▂▂▂▂▁▂▂▃▃▃▄▅▁172.686155.767141.06387.43284.25885.82386.3591.58570.7882.68190.823104.0896.26995.513114.367134.90874.325
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:AssetsCurrent ██▆█▇▇▇▇▆▆▆▃▂▂▃▄▁262.132250.813223.675255.72249.785244.563233.843237.512218.977216.293207.713133.484118.896120.615136.466158.57595.369
us-gaap:CashAndCashEquivalentsAtCarryingValue █▆▃█▇▆▅▆▅▅▄▃▂▃▄▇▁165.423145.678116.178170.019153.838148.713134.91146.633139.79133.747128.249118.697107.611111.209129.558153.22591.028
us-gaap:AccountsReceivableNetCurrent ▇██▇███▇▆▇▆▂▁▁▁▁76.46681.19585.42772.95384.3881.27985.13977.94666.53368.3866.0369.9695.8234.8773.3492.129NA
us-gaap:InventoryNet ▇█▇▄▄▄▄▄▄▄▄▁▁▁▁▁17.14618.81515.9639.6438.769.9538.7417.8179.2298.5447.9021.8131.4011.521.4951.316NA
us-gaap:InventoryFinishedGoods ██▆▆▅▆▄▅▆▆▅▁▁▁▁▁10.70811.0198.6527.4216.347.4414.9386.657.7747.4856.8740.8750.6341.1221.0240.955NA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▄▇█▄▃▆▇▇▄▇▇▄▅▄▂▂▁3.0975.1256.1073.1052.8074.6185.0535.1163.4255.6225.5263.0054.0613.0092.0641.9051.086
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:AmortizationOfIntangibleAssets ▅▅▃▂▂▂▂▄██▇▁▁▁▁▁▁16.79516.79510.2953.6883.6883.6883.68815.49432.40732.40729.5260.0330.0480.0470.130.170.227
us-gaap:PropertyPlantAndEquipmentNet █▇▆▆▅▅▅▅▃▂▁▁▁▁▁▁▁17.74615.15613.14511.85411.57910.3679.9629.2746.0393.2031.6121.8261.6321.5831.0071.0380.772
us-gaap:FiniteLivedIntangibleAssetsNet ▇██▁352.699369.494386.28929.503NANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▇██▁▁▁▁▁352.699369.494386.28929.50333.19136.87940.56744.255NANANA0.01.8771.9251.9732.103NA
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▃▄▅▇█8.5728.6978.8739.0479.2199.5749.766NANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▁▂▂▃▄▃▅▄▄▁▁▂▂██▄0.1470.1630.1660.1780.2040.1980.2240.2040.2050.1390.150.1610.1710.2950.3050.204NA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:LiabilitiesCurrent ▇▇▇▆▆▆▆▆██▇▁▁▁▁▁▁242.437252.111244.374201.765201.483196.272188.885189.126280.221264.702250.22831.48826.39628.56124.53225.59622.212
us-gaap:AccountsPayableCurrent ▂▃▂▂▅▄▅▅▄█▃▁▁▁▂▃▃6.4918.1826.1396.24711.98110.94113.73312.1511.67918.6929.3365.6844.9825.6126.7939.1068.97
us-gaap:OtherAccruedLiabilitiesCurrent ▄▂▄█▆▃▃▂▃▃▁▂▂▁▁▁▁1.580.9931.5943.182.541.3291.31.0851.1591.4330.7190.8770.7920.5920.6190.5720.585
us-gaap:AccruedLiabilitiesCurrent ▄▆▄█▅▆▄▇▅▅▄▂▄▂▁▂▁17.7125.11118.81433.4820.61424.51719.83730.55120.93323.39517.4368.54119.26810.1996.4888.8796.637
us-gaap:OperatingLeaseLiabilityCurrent █▆▄▁0.7090.6960.6760.656NANANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
 us-gaap:LongTermDebt us-gaap:DebtInstrument coll:PharmakonTermNotes169.248NANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▃▅▆█8.9589.0849.2629.4389.6129.903NANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:StockholdersEquity █▇▆▂▂▂▂▂▁▂▂▃▃▃▄▅▁172.686155.767141.06387.43284.25885.82386.3591.58570.7882.68190.823104.0896.26995.513114.367134.90874.325
us-gaap:CommonStockValue █▇▇▇▇▇▇▇▇▇▇▇▅▅▄▄▁0.0350.0340.0340.0340.0340.0330.0330.0330.0330.0330.0330.0330.0310.030.0290.0290.024
us-gaap:AdditionalPaidInCapital ███▆▆▆▆▆▅▅▅▅▄▄▄▄▁512.756507.124500.478447.297441.922437.379433.194428.729417.01412.409407.491402.096376.884362.866360.6358.063269.929
us-gaap:RetainedEarningsAccumulatedDeficit ▂▁▁▁▁▁▂▂▂▂▃▄▄▅▆▇█-340.105-351.391-359.449-359.899-357.698-351.589-346.877-337.177-346.263-329.761-316.701-298.049-280.646-267.383-246.262-223.184-195.625
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▃█▁5.1655.5844.951NA4.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.641
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▇▃▄▄▄▂▇▇█▆▂▂▂▁▁34.1843.854-6.66915.6566.06914.627-8.56942.28841.83455.60529.663-13.296-12.567-17.467-23.688-23.287NA
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▁█████████████-2.403-2.241-367.647-0.889-1.351-0.875-3.323-1.773-2.717-0.747-19.117-0.172-0.34-0.449-0.029-0.341NA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂█▂▂▂▂▁▁▁▂▂▂▂▂▄-12.032-12.211323.121.4140.4070.0510.169-33.672-33.074-50.063-0.38824.5549.309-0.4330.0585.825NA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆▇▃▄▄▄▂▇▇█▆▂▂▂▁▁34.1843.854-6.66915.6566.06914.627-8.56942.28841.83455.60529.663-13.296-12.567-17.467-23.688-23.287NA
us-gaap:NetIncomeLoss █▇▆▆▅▅▄█▃▄▃▃▄▂▂▁▁11.2868.0580.45-2.201-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.444
us-gaap:DepreciationDepletionAndAmortization ▃▃▃▃▃▂▃▅▂▁█▂▂▂▃▅▄0.1950.1960.1980.1960.180.1710.1840.3420.1540.0960.4820.130.1320.1240.2080.2950.273
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▂▃▁▃▂▃▃▂▂█▃▃▂▂▂▃-4.729-4.23212.474-11.4273.101-3.867.19311.667-1.8472.34456.0674.1466.442-3.9681.220.454.631
us-gaap:IncreaseDecreaseInInventories ▂▅█▃▁▃▃▁▃▃▂▃▂▂▂▂▅-0.473.0716.7140.883-1.1931.2120.924-1.4120.6850.642-0.1340.4120.289-0.3830.179-0.262.79
us-gaap:IncreaseDecreaseInAccountsPayable ▃▅▄▂▄▃▅▄▁█▆▄▄▃▃▄▅-1.6912.043-0.108-5.7341.04-2.7921.5830.47-7.0139.3563.6520.702-0.63-1.181-2.3130.1682.864
us-gaap:ShareBasedCompensation ▇█▇▅▅▅▆▄▅▄▃▂▂▂▁▁▁5.1655.5844.9513.9664.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.641
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument us-gaap:ConvertibleNotesPayable█▁0.1290.122NANANANANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▁█████████████-2.403-2.241-367.647-0.889-1.351-0.875-3.323-1.773-2.717-0.747-19.117-0.172-0.34-0.449-0.029-0.341NA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▆▃▃▃▄▃█▅▇▂▂▁▂▂▁▂▁2.4030.8260.8360.8891.3510.8753.3231.7732.7170.6310.3560.1720.340.4490.0290.3410.111
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂█▂▂▂▂▁▁▁▂▂▂▂▂▄-12.032-12.211323.121.4140.4070.0510.169-33.672-33.074-50.063-0.38824.5549.309-0.4330.0585.825NA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:SubsequentEventType us-gaap:ConvertibleNotesPayable,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANA

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value35000.034000.034000.034000.034000.033000.033000.033000.033000.033000.033000.033000.031000.030000.029000.029000.024000.024000.024000.021000.020000.020000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-31
Value343433333333333333333230292929232323201.0062190.962961.924845
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3434333333333333333332302929292323232020201.1217781.0062190.96296
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value1001001001001001001001001001001001001001001001001001001001131137272
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-312015-12-312014-12-31
Value5000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.05000000.00
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

None

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3434333333333333333332302929292323232020201.1217781.0062190.96296
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value3535333333333232232020117.5545240.912616
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value3434333333333232232020111.0017040.912616
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value2361600.02262400.04190100.04156600.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0

us-gaap:PerformanceShares


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value267500.0267500.099400.099400.099400.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount11.311.80.02.42.4

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value722390.057834.0868080.0892240.0893460.0532790.0522190.0497690.0218870.0223190.0153360.041739.041739.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount30.62.60.021.321.50.00.00.00.00.00.00.00.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.330.230.01-0.18-0.14-0.290.27-0.5-0.4-0.57-0.79-1.03-1.13-1.05-0.68-0.46-0.46-0.450.34-5.03
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value0.320.230.01-0.18-0.14-0.290.27-0.5-0.4-0.57-0.68-0.46-0.46-0.45-0.65-5.03
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value797876747275747370736310113.562.1721.3030.408
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

coll:Nucynta


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4744454646494954535447
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.457.058.863.163.765.366.374.975.775.275.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.457.058.863.163.765.366.374.975.775.275.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax coll:Nucynta100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:NucyntaEr


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17151716181919
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.519.822.322.425.126.126.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax21.519.822.322.425.126.126.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax coll:NucyntaEr100.0100.0100.0100.0100.0100.0100.0

coll:NucyntaIr


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value30292730282929
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.937.236.640.738.639.340.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax37.937.236.640.738.639.340.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax coll:NucyntaIr100.0100.0100.0100.0100.0100.0100.0

coll:Xtampza


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value323331272626251817181510113.562.172
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.643.041.236.936.334.733.725.124.324.824.8100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.643.041.236.936.334.733.725.124.324.824.8100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax coll:Xtampza100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value30293749464849294646431.0940.5530.5770.371
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.138.049.066.264.164.866.040.565.664.167.610.14.616.217.1

None

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization

us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value141227434445
Percentage of CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax17.916.535.659.059.961.0

None

us-gaap:GrossProfit

us-gaap:GrossProfit


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value484838262625
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.962.051.035.935.234.0

None

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value283133323135282624159.4369.2654.5753.633.3276.5054.0883.744
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.140.844.344.641.847.42216.66580.90.00.00.00.00.00.00.00.00.00.0

None

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2.1412.4932.6662.3982.4912.4592.9922.2491.9072.2372.2682.1942.0692.1792.133.3313.2544.3014.0621.5313.3581.6411.4452.3075.8183.5653.269
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.73.23.53.23.43.34.03.12.73.13.620.317.361.298.1255.6797.50.00.00.00.00.00.00.00.00.00.0

None

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value262931253028323033313125222222252320117.9055.907
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.437.640.933.841.238.643.441.547.742.849.5232.4190.4619.71051.91946.85776.20.00.00.00.0

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value19165.061-2.373-6.375-5.008-9.99211-11.186-7.293-13.207-17.583-13.43-21.258-23.176-27.579-26.442-24.474-15.587-9.436-9.265-4.575-3.63-3.327-6.505-4.088-3.744
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.821.26.6-3.2-8.7-6.7-13.415.0-15.9-10.0-20.7-162.9-112.4-597.1-1067.0-2116.6-6480.90.00.00.00.00.00.00.00.00.00.0

None

us-gaap:InterestExpense

us-gaap:InterestExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value8.0638.2594.8230.2110.2280.2360.2342.4045.8686.1585.7-0.0190.0020.0460.0890.0970.099
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.210.66.30.30.30.30.33.38.48.48.9-1.50.50.00.00.00.0

None

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument

us-gaap:InterestExpenseDebt

coll:PharmakonTermNotes


None
Period End2020-09-302020-06-302020-03-31
Value5.3756642.986
Percentage of InterestExpenseDebt100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.87256.13.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax coll:PharmakonTermNotes0.00.00.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value2.6922.5951.386
Percentage of InterestExpenseDebt50.10.046.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.43.31.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConvertibleNotesPayable0.00.00.0

None

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value6.4594.8033.4560.1660.1810.1840.1780.1730.1670.1330.1090.0180.0330.0390.0490.058
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.26.24.50.20.20.20.20.20.20.20.20.20.31.12.34.5

None

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value5.1655.5844.9513.9664.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.6411.3950.1930.9920.5030.601
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.57.26.55.35.75.55.74.95.64.84.319.317.654.783.8126.6402.20.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.0190.9840.770.520.5250.5140.5670.3770.3880.380.3240.2150.2220.2420.2090.1640.1710.1650.1380.0730.0730.055
Percentage of AllocatedShareBasedCompensationExpense19.717.615.613.112.712.313.310.59.910.811.910.310.612.411.59.910.411.871.57.414.59.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.31.00.70.70.70.80.50.60.50.52.01.96.89.612.641.90.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value4.1464.64.1813.4463.6123.6483.6963.2213.5383.1462.4041.8631.8781.7041.6121.4861.471.230.963
Percentage of AllocatedShareBasedCompensationExpense80.382.484.486.987.387.786.789.590.189.288.189.789.487.688.590.189.688.2499.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.25.95.54.65.04.95.04.45.04.33.817.315.747.974.2114.0360.30.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-09-302020-06-302019-09-302019-06-30
Value118.304-6.109-4.712
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.610.6-8.4-6.3

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-09-302020-06-30
Value280000.0246000.0
Percentage of IncomeTaxExpenseBenefit100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.3

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value118.0580.45-2.201-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.444-24.52-15.653-9.525-9.362-4.674-3.694-3.469-6.556-4.117-3.773
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.310.30.6-3.0-8.4-6.3-13.012.4-23.5-17.9-29.3-161.2-111.0-593.3-1062.5-2115.0-6481.40.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value118.0580.45-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.445-24.519-15.653
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.310.30.6-8.4-6.3-13.012.4-23.5-17.9-29.3-161.2-111.0-593.3-1062.5-2115.0-6481.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6436466343063033012942916466736961351221241391629811913697107114475.09
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value47149149321821921520819957559060531262925272421141213111217
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets73.275.977.871.572.371.570.768.689.187.787.023.221.523.318.216.724.717.610.712.912.610.327.3340.5

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6436466343063033012942916466736961351221241391629811913697107114475.09
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value1721551418784858691708290104969511413474981218593102-85.215-89.348-68.225-61.404
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.824.122.228.527.728.529.331.410.912.313.076.878.576.781.883.375.382.489.387.187.489.7-179.8-1755.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value51250750044744143743342841741240740237636236035826921412120.011
Percentage of StockholdersEquity296.9325.6354.8511.6524.5509.6501.7468.1589.2498.8448.7386.3391.5379.9315.3265.4363.2251.6-13.9-18.0-0.0
Percentage of Assets79.678.478.8146.0145.4145.0147.2147.264.561.258.5296.6307.2291.4257.9221.0273.4219.1243.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value0.0350.0340.0340.0340.0340.0330.0330.0330.0330.0330.0330.0330.0310.030.0290.0290.0240.0210.0010.0010.002
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value-340.105-351.391-359.449-359.899-357.698-351.589-346.877-337.177-346.263-329.761-316.701-298.049-280.646-267.383-246.262-223.184-195.625-129.008-101.753-80.536-61.414
Percentage of StockholdersEquity-196.9-225.6-254.8-411.6-424.5-409.7-401.7-368.2-489.2-398.8-348.7-286.4-291.5-279.9-215.3-165.4-263.2-151.6113.9118.0100.0
Percentage of Assets-52.8-54.3-56.6-117.5-117.7-116.6-117.8-115.8-53.6-49.0-45.5-219.9-228.8-214.7-176.1-137.8-198.2-132.0-1999.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2622502232552492442332372182162071331181201361589511613596106113464.496
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.738.835.283.582.281.179.481.633.932.129.898.596.996.997.697.996.697.399.499.199.399.598.888.3

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value1651451161701531481341461391331281181071111291539111013495105112441.6344.1782.5934.8117.55111
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.722.518.355.550.649.345.850.321.619.918.487.687.789.392.694.692.292.598.897.998.598.594.932.10.00.00.00.00.0

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value76818572848185776668669.9695.8234.8773.3492.129
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.912.613.523.827.827.028.926.810.310.29.57.44.73.92.41.3

None

us-gaap:InventoryNet

us-gaap:InventoryNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1718159.6438.769.9538.7417.8179.2298.5447.9021.8131.4011.521.4951.316
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.92.53.12.93.33.02.71.41.31.11.31.11.21.10.8

None

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value10118.6527.4216.347.4414.9386.657.7747.4856.8740.8750.6341.1221.0240.955
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.71.42.42.12.51.72.31.21.11.00.60.50.90.70.6

None

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value3097000.05125000.06107000.03105000.02807000.04618000.05053000.05116000.03425000.05622000.05526000.03005000.04061000.03009000.02064000.01905000.01086000.01537000.0821000.01186000.0866000.01219000.01838000.0527000.0
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.81.01.00.91.51.71.80.50.80.82.23.32.41.51.21.11.30.61.20.81.13.910.4

None

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1616103.6883.6883.6883.688153232290.0330.0480.0470.130.170.2270.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

coll:Nucynta, coll:NucyntaCommercializationAgreement


None
Period End2020-02-052018-12-31
Value1.7542.172
Percentage of AmortizationOfIntangibleAssets0.014.0
Percentage of Assets0.00.0
Percentage of Assets coll:Nucynta coll:NucyntaCommercializationAgreement0.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:TypeOfArrangement

coll:AssetPurchaseAgreement


None
Period End2020-02-062020-02-05
Value8.5411.754
Percentage of AmortizationOfIntangibleAssets0.00.0
Percentage of Assets0.00.0
Percentage of Assets coll:AssetPurchaseAgreement0.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1715131111109.9629.2746.0393.2031.6121.8261.6321.5831.0071.0380.7720.6760.6950.7380.6270.4450.4680.514
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.32.13.93.83.43.43.20.90.50.21.31.31.30.70.60.80.60.50.80.60.41.010.1

None

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


None
Period End2020-09-302020-06-302020-03-312019-12-31
Value35236938629
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0
Percentage of Assets54.857.160.99.6

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

coll:Nucynta


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3523693862933364044
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.00.00.00.00.0
Percentage of Assets54.857.160.99.610.912.213.815.2
Percentage of Assets coll:Nucynta0.00.00.00.00.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

coll:Nucynta, coll:NucyntaCommercializationAgreement


None
Period End2020-09-302019-12-312018-12-312018-01-31
Value3522944515
Percentage of FiniteLivedIntangibleAssetsNet100.0100.00.00.0
Percentage of Assets54.89.615.20.0
Percentage of Assets coll:Nucynta coll:NucyntaCommercializationAgreement0.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:TypeOfArrangement

coll:AssetPurchaseAgreement


None
Period End2020-06-30
Value369
Percentage of FiniteLivedIntangibleAssetsNet100.0
Percentage of Assets57.1
Percentage of Assets coll:AssetPurchaseAgreement0.0

None

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value35236938629333640440.01.8771.9251.9732.103
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0
Percentage of Assets54.857.160.99.610.912.213.815.20.01.51.51.41.3

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.5728.6978.8739.0479.2199.5749.766
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.31.43.03.03.23.3

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value147000.0163000.0166000.0178000.0204000.0198000.0224000.0204000.0205000.0139000.0150000.0161000.0171000.0295000.0305000.0204000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.10.10.10.10.10.00.00.00.10.10.20.20.1

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value24225224420120119618818928026425031262824252218118.4328.66.196.70710
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.739.038.565.966.365.164.264.943.339.335.923.221.522.917.515.822.515.28.18.68.05.414.2204.7

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6.4918.1826.1396.2471110131211189.3365.6844.9825.6126.7939.1068.976.0746.1893.5373.2372.2392.182.208
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.31.02.03.93.64.74.21.82.81.34.24.14.54.95.69.15.14.53.63.02.04.643.4

None

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1580000.0993000.01594000.03180000.02540000.01329000.01300000.01085000.01159000.01433000.0719000.0877000.0792000.0592000.0619000.0572000.0585000.0242000.044000.0186000.090000.0122000.0212000.031000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.31.00.80.40.40.40.20.20.10.60.60.50.40.40.60.20.00.20.10.10.40.6

None

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value17251833202419302023178.54119106.4888.8796.6375.5362.2122.2282.6811.6712.7321.956
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.83.93.010.96.88.16.710.53.23.52.56.315.78.24.65.56.74.61.62.32.51.55.838.4

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-31
Value709000.0696000.0676000.0656000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.10.10.10.2

None

us-gaap:LongTermDebt us-gaap:DebtInstrument

us-gaap:LongTermDebt

coll:PharmakonTermNotes


None
Period End2020-09-30
Value169
Percentage of LongTermDebt100.0
Percentage of Assets26.3
Percentage of Assets coll:PharmakonTermNotes0.0

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value8.9589.0849.2629.4389.6129.903
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.41.53.13.23.3

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value1721551418784858691708290104969511413474981218593102-85.215-89.348-68.225-61.404
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets26.824.122.228.527.728.529.331.410.912.313.076.878.576.781.883.375.382.489.387.187.489.7-179.8-1755.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value51250750044744143743342841741240740237636236035826921412120.011
Percentage of StockholdersEquity296.9325.6354.8511.6524.5509.6501.7468.1589.2498.8448.7386.3391.5379.9315.3265.4363.2251.6-13.9-18.0-0.0
Percentage of Assets79.678.478.8146.0145.4145.0147.2147.264.561.258.5296.6307.2291.4257.9221.0273.4219.1243.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value0.0350.0340.0340.0340.0340.0330.0330.0330.0330.0330.0330.0330.0310.030.0290.0290.0240.0210.0010.0010.002
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-31
Value-340.105-351.391-359.449-359.899-357.698-351.589-346.877-337.177-346.263-329.761-316.701-298.049-280.646-267.383-246.262-223.184-195.625-129.008-101.753-80.536-61.414
Percentage of StockholdersEquity-196.9-225.6-254.8-411.6-424.5-409.7-401.7-368.2-489.2-398.8-348.7-286.4-291.5-279.9-215.3-165.4-263.2-151.6113.9118.0100.0
Percentage of Assets-52.8-54.3-56.6-117.5-117.7-116.6-117.8-115.8-53.6-49.0-45.5-219.9-228.8-214.7-176.1-137.8-198.2-132.0-1999.10.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value35000.034000.034000.034000.034000.033000.033000.033000.033000.033000.033000.033000.031000.030000.029000.029000.024000.024000.024000.021000.020000.020000.01000.01000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value5125075004474414374334284174124074023763623603582692672662142132122012
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets79.678.478.8146.0145.4145.0147.2147.264.561.258.5296.6307.2291.4257.9221.0273.4223.7195.4219.1199.0186.142.7243.8

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-340100000.0-351390000.0-359450000.0-359900000.0-357700000.0-351590000.0-346880000.0-337180000.0-346260000.0-329760000.0-316700000.0-298050000.0-280650000.0-267380000.0-246260000.0-223180000.0-195620000.0-169180000.0-144660000.0-129010000.0-119480000.0-110120000.0-105450000.0-101750000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-52.8-54.3-56.6-117.5-117.7-116.6-117.8-115.8-53.6-49.0-45.5-219.9-228.8-214.7-176.1-137.8-198.2-141.3-106.1-132.0-111.6-96.5-222.5-1999.1

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.1655.5844.9514.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.6411.3951.101
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value5.1655.5844.9514.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.6411.3951.101
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3443-6.669156.06914-8.56942415529-13.296-12.567-17.467-23.688-23.287
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.256.2-8.721.18.319.5-11.557.659.676.146.5-123.2-105.2-490.6-1090.6-1787.2

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-2403000.0-2241000.0-367650000.0-889000.0-1351000.0-875000.0-3323000.0-1773000.0-2717000.0-747000.0-19117000.0-172000.0-340000.0-449000.0-29000.0-341000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.0-2.9-480.5-1.2-1.9-1.2-4.5-2.4-3.9-1.0-30.0-1.6-2.8-12.6-1.3-26.2

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-12.032-12.2113231.4140.4070.0510.169-33.672-33.074-50.063-0.388249.309-0.4330.0585
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.2-15.6422.31.90.60.10.2-45.9-47.1-68.5-0.6227.577.9-12.22.36586.7

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3443-6.669156.06914-8.56942415529-13.296-12.567-17.467-23.688-23.287
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax43.256.2-8.721.18.319.5-11.557.659.676.146.5-123.2-105.2-490.6-1090.6-1787.2

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value118.0580.45-2.201-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.444-24.52-15.653-9.525-9.362-4.674-3.694-3.469-6.556-4.117-3.773
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.310.30.6-3.0-8.4-6.3-13.012.4-23.5-17.9-29.3-161.2-111.0-593.3-1062.5-2115.0-6481.40.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value118.0580.45-6.109-4.712-9.79.086-16.502-13.06-18.652-17.403-13.263-21.121-23.078-27.559-26.445-24.519-15.653
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.310.30.6-8.4-6.3-13.012.4-23.5-17.9-29.3-161.2-111.0-593.3-1062.5-2115.0-6481.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value195000.0196000.0198000.0196000.0180000.0171000.0184000.0342000.0154000.096000.0482000.0130000.0132000.0124000.0208000.0295000.0273000.044000.043000.041000.038000.046000.046000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-4.729-4.23212-11.4273.101-3.867.19311-1.8472.344564.1466.442-3.9681.220.454.631
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-470000.03071000.06714000.0883000.0-1193000.01212000.0924000.0-1412000.0685000.0642000.0-134000.0412000.0289000.0-383000.0179000.0-260000.02790000.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-1.6912.043-0.108-5.7341.04-2.7921.5830.47-7.0139.3563.6520.702-0.63-1.181-2.3130.1682.864-0.1142.6510.3360.930.06-0.028-0.5730.5511.068-0.056
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.1655.5844.9513.9664.1374.1624.2633.5983.9263.5262.7282.0782.11.9461.8211.651.6411.3951.1010.9920.5030.6010.1130.0060.0050.0060.005
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:AwardType

us-gaap:PerformanceShares


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.7380.7290.3970.0730.0210.0270.015
Percentage of ShareBasedCompensation14.313.18.01.80.50.60.4

None

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument

us-gaap:AmortizationOfFinancingCosts

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-30
Value129000.0122000.0
Percentage of AmortizationOfFinancingCosts100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-2403000.0-2241000.0-367650000.0-889000.0-1351000.0-875000.0-3323000.0-1773000.0-2717000.0-747000.0-19117000.0-172000.0-340000.0-449000.0-29000.0-341000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.0-2.9-480.5-1.2-1.9-1.2-4.5-2.4-3.9-1.0-30.0-1.6-2.8-12.6-1.3-26.2

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value2403000.0826000.0836000.0889000.01351000.0875000.03323000.01773000.02717000.0631000.0356000.0172000.0340000.0449000.029000.0341000.0111000.0187000.0152000.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-12.032-12.2113231.4140.4070.0510.169-33.672-33.074-50.063-0.388249.309-0.4330.0585
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.2-15.6422.31.90.60.10.2-45.9-47.1-68.5-0.6227.577.9-12.22.36586.7

None

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:ConvertibleNotesPayable, us-gaap:SubsequentEvent


None
Period End2020-02-13
Value0.02625
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations us-gaap:ConvertibleNotesPayable us-gaap:SubsequentEvent0.0

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-30
Value2.40.03000
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.00.00.00.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-312019-12-31
Value3971400.04034200.03955900.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


None
Period End2020-09-302020-06-302020-03-312019-12-31
Value17.7117.6717.4416.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0187980.000099400.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0100.00.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value37185.0725420.0044503.080156.0510050.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod0.0385.90.00.00.0513.1

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value16714811817015314813414613913312811810711112915395
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtEquityComponentOfTransactionCosts

coll:AdjustmentsToAdditionalPaidInCapitalConvertibleDebtEquityComponentOfTransactionCosts


None
Period End2020-06-302020-02-132020-03-31
Value01773000.01773000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalConvertibleDebtEquityComponentOfTransactionCosts0.0100.0100.0

coll:AssetAcquisitionBasePurchasePrice us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionBasePurchasePrice

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value375
Percentage of AssetAcquisitionBasePurchasePrice100.0

coll:AssetAcquisitionCashPaidForInventory us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionCashPaidForInventory

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value6030000.0
Percentage of AssetAcquisitionCashPaidForInventory100.0

coll:AssetAcquisitionCostsAccumulatedTotal us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionCostsAccumulatedTotal

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value373
Percentage of AssetAcquisitionCostsAccumulatedTotal100.0

coll:AssetAcquisitionTotalReductionToBasePurchasePrice us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionTotalReductionToBasePurchasePrice

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value14
Percentage of AssetAcquisitionTotalReductionToBasePurchasePrice100.0

coll:AssetAcquisitionTransactionCosts us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionTransactionCosts

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value6297000.0
Percentage of AssetAcquisitionTransactionCosts100.0

coll:CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

coll:CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales

coll:Assertio, coll:Nucynta, us-gaap:SubsequentEvent, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value0.14
Percentage of CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales100.0

coll:CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:Assertio, coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value0.14
Percentage of CollaborativeArrangementRoyaltyPaymentAsPercentageOfAnnualNetSales100.0

coll:CollaborativeArrangementRoyaltyPaymentLimit us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:Range, us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

coll:CollaborativeArrangementRoyaltyPaymentLimit

coll:Assertio, coll:Nucynta, srt:Maximum, us-gaap:SubsequentEvent, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value243
Percentage of CollaborativeArrangementRoyaltyPaymentLimit100.0

coll:Assertio, coll:Nucynta, srt:Minimum, us-gaap:SubsequentEvent, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value180
Percentage of CollaborativeArrangementRoyaltyPaymentLimit74.1

coll:CollaborativeArrangementRoyaltyPaymentLimit us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:Range, us-gaap:TypeOfArrangement

coll:Assertio, coll:Nucynta, srt:Maximum, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value243
Percentage of CollaborativeArrangementRoyaltyPaymentLimit100.0

coll:Assertio, coll:Nucynta, srt:Minimum, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value180
Percentage of CollaborativeArrangementRoyaltyPaymentLimit74.1

coll:ContractWithCustomerLiabilityChangeInEstimateOfPriorPeriodSales us-gaap:ValuationAllowancesAndReservesType

coll:ContractWithCustomerLiabilityChangeInEstimateOfPriorPeriodSales

coll:AllowanceAndChargebacksForTradeReceivables


None
Period End2020-09-302020-06-302020-03-31
Value-267000.036000.049000.0
Percentage of ContractWithCustomerLiabilityChangeInEstimateOfPriorPeriodSales100.0100.0100.0

coll:AllowanceForRebatesAndIncentives


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value49000.0-1302000.01131000.00152000.00-3017000.0
Percentage of ContractWithCustomerLiabilityChangeInEstimateOfPriorPeriodSales-18.4-3616.72308.20.00.00.00.0

coll:ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments us-gaap:ValuationAllowancesAndReservesType

coll:ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments

coll:AllowanceAndChargebacksForTradeReceivables


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2017181616161521218.8014.253
Percentage of ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:AllowanceForRebatesAndIncentives


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value828173796160595441457.842
Percentage of ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments404.3454.0392.3479.2363.8356.2377.0250.8195.7515.0184.4

coll:ContractWithCustomerRefundLiability


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2240.8220.6980.7840.5220.4861.0160.7951.1642.230.809
Percentage of ContractWithCustomerLiabilityDecreaseDueToCreditsAndPayments1.14.63.74.73.12.96.53.75.525.319.0

coll:ContractWithCustomerLiabilityProvisionForCurrentPeriodSales us-gaap:ValuationAllowancesAndReservesType

coll:ContractWithCustomerLiabilityProvisionForCurrentPeriodSales

coll:AllowanceAndChargebacksForTradeReceivables


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1818181616161517161716
Percentage of ContractWithCustomerLiabilityProvisionForCurrentPeriodSales100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:AllowanceForRebatesAndIncentives


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7979837064626564605858
Percentage of ContractWithCustomerLiabilityProvisionForCurrentPeriodSales425.6428.3445.2417.0395.5383.5420.7368.9359.5345.6351.9

coll:ContractWithCustomerRefundLiability


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.5153.2973.4061.6784.1634.1584.9924.6514.3014.3274.047
Percentage of ContractWithCustomerLiabilityProvisionForCurrentPeriodSales13.417.918.19.925.625.531.926.525.425.424.3

coll:ContractualInterestExpense us-gaap:DebtInstrument

coll:ContractualInterestExpense

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-30
Value943000.0933000.0
Percentage of ContractualInterestExpense100.0100.0

coll:DebtInstrumentConvertibleMeasurementPeriod us-gaap:DebtInstrument

coll:DebtInstrumentConvertibleMeasurementPeriod

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value10.0
Percentage of DebtInstrumentConvertibleMeasurementPeriod100.0

coll:DebtInstrumentConvertibleThresholdPercentageOfProductOfSalePriceOfCommonStockAndConversionRate us-gaap:DebtInstrument

coll:DebtInstrumentConvertibleThresholdPercentageOfProductOfSalePriceOfCommonStockAndConversionRate

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value98.0
Percentage of DebtInstrumentConvertibleThresholdPercentageOfProductOfSalePriceOfCommonStockAndConversionRate100.0

coll:DebtInstrumentFacilityFeeAmount us-gaap:DebtInstrument

coll:DebtInstrumentFacilityFeeAmount

coll:PharmakonTermNotes


None
Period End2020-02-06
Value5000000.0
Percentage of DebtInstrumentFacilityFeeAmount100.0

coll:DebtInstrumentFacilityFeePercentage us-gaap:DebtInstrument

coll:DebtInstrumentFacilityFeePercentage

coll:PharmakonTermNotes


None
Period End2020-02-06
Value2.5
Percentage of DebtInstrumentFacilityFeePercentage100.0

coll:DebtInstrumentFloorRate us-gaap:DebtInstrument, us-gaap:VariableRate

coll:DebtInstrumentFloorRate

coll:PharmakonTermNotes, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-02-06
Value2.0
Percentage of DebtInstrumentFloorRate100.0

coll:DebtInstrumentPrepaymentPremiumPercentage us-gaap:StatementScenario, us-gaap:DebtInstrument

coll:DebtInstrumentPrepaymentPremiumPercentage

coll:DebtPrepaidBetweenOnOrAfterThirdYearAnniversaryOfClosingDate, coll:PharmakonTermNotes


None
Period End2020-02-06
Value0.01
Percentage of DebtInstrumentPrepaymentPremiumPercentage100.0

coll:DebtPrepaidBetweenSecondAndThirdYearAnniversaryOfClosingDate, coll:PharmakonTermNotes


None
Period End2020-02-06
Value0.02
Percentage of DebtInstrumentPrepaymentPremiumPercentage200.0

coll:DebtPrepaidPriorToSecondYearAnniversaryOfClosingDate, coll:PharmakonTermNotes


None
Period End2020-02-06
Value0.03
Percentage of DebtInstrumentPrepaymentPremiumPercentage300.0

coll:DebtSingleVoluntaryPrepaymentOfThresholdAmountPriorToSecondYearAnniversaryOfClosingDate, coll:PharmakonTermNotes


None
Period End2020-02-06
Value0.05
Percentage of DebtInstrumentPrepaymentPremiumPercentage500.0

coll:DebtInstrumentRedemptionThresholdPercentageOfStockPriceTrigger us-gaap:DebtInstrument

coll:DebtInstrumentRedemptionThresholdPercentageOfStockPriceTrigger

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value130.0
Percentage of DebtInstrumentRedemptionThresholdPercentageOfStockPriceTrigger100.0

coll:DebtInstrumentThresholdAmountOfSingleVoluntaryPrepaymentFromEquityProceeds us-gaap:DebtInstrument

coll:DebtInstrumentThresholdAmountOfSingleVoluntaryPrepaymentFromEquityProceeds

coll:PharmakonTermNotes


None
Period End2020-02-06
Value50
Percentage of DebtInstrumentThresholdAmountOfSingleVoluntaryPrepaymentFromEquityProceeds100.0

coll:DebtInstrumentThresholdAnnualNetSalesToBeMaintained us-gaap:DebtInstrument

coll:DebtInstrumentThresholdAnnualNetSalesToBeMaintained

coll:PharmakonTermNotes


None
Period End2020-02-06
Value200
Percentage of DebtInstrumentThresholdAnnualNetSalesToBeMaintained100.0

coll:EmployeeStockPurchasePlanCompensationExpense

coll:EmployeeStockPurchasePlanCompensationExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value89000.092000.079000.065000.0120000.073000.0100000.095000.0156000.0120000.0122000.092000.074000.0108000.0106000.0146000.0143000.0101000.067000.0
Percentage of EmployeeStockPurchasePlanCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:IncreaseDecreaseInAccruedRebatesReturnsAndDiscounts

coll:IncreaseDecreaseInAccruedRebatesReturnsAndDiscounts


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.807-0.83314-7.7146.9995.9367.54514221553
Percentage of IncreaseDecreaseInAccruedRebatesReturnsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:InventoryUsedInConstructionAndInstallationOfPropertyAndEquipment

coll:InventoryUsedInConstructionAndInstallationOfPropertyAndEquipment


None
Period End2020-09-302020-06-302020-03-312019-03-31
Value1199000.0219000.0394000.00
Percentage of InventoryUsedInConstructionAndInstallationOfPropertyAndEquipment100.0100.0100.00.0

coll:NumberOfPatentsListedInFdaOrangeBook us-gaap:LitigationCase

coll:NumberOfPatentsListedInFdaOrangeBook

coll:TevaLitigation


None
Period End2020-06-302020-03-312018-02-22
Value015.012.0
Percentage of NumberOfPatentsListedInFdaOrangeBook0.0100.0100.0

coll:OperatingLeasePaymentsNonCash

coll:OperatingLeasePaymentsNonCash


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value13000.018000.018000.0180000.0115000.0114000.0
Percentage of OperatingLeasePaymentsNonCash100.0100.0100.0100.0100.0100.0

coll:PriorCommercializationAgreementReductionForCashTransferredCurrentYear us-gaap:ProductOrService

coll:PriorCommercializationAgreementReductionForCashTransferredCurrentYear

coll:Nucynta


None
Period End2020-06-302020-03-31
Value0.013
Percentage of PriorCommercializationAgreementReductionForCashTransferredCurrentYear0.0100.0

coll:PriorCommercializationAgreementReductionForCashTransferredCurrentYear us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value13
Percentage of PriorCommercializationAgreementReductionForCashTransferredCurrentYear0.0

coll:ReductionForAccruedRoyaltyObligationDischargedUponClosing us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:ReductionForAccruedRoyaltyObligationDischargedUponClosing

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value1145000.0
Percentage of ReductionForAccruedRoyaltyObligationDischargedUponClosing100.0

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsShares us-gaap:StatementEquityComponents

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsShares

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value26761.063064.017100.03097.033503.06176.06205.09810.0
Percentage of StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsShares100.0100.0100.0100.0100.0100.0100.0100.0

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-247000.0-564000.0-1358000.0-198000.0-35000.0-488000.0-90000.0-114000.0-140000.0-216000.00-17000.00-51000.0
Percentage of StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

coll:StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-247000.0-564000.0-1358000.0-198000.0-35000.0-488000.0-90000.0-114000.0-140000.0-216000.00-17000.00-51000.0
Percentage of StockWithheldForEmployeeTaxesUponVestingOfRestrictedStockUnitsValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt


None
Period End2020-03-31
Value44
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-03-31
Value44
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument

us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-30
Value1620000.01540000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1929-51.196165.12513-11.7236.8436.0434.7951011-3.598-18.349-23.667
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfGoodsAndServicesSoldAmortization

us-gaap:CostOfGoodsAndServicesSoldAmortization


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1616103.6883.6883.688
Percentage of CostOfGoodsAndServicesSoldAmortization100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

coll:PharmakonTermNotes


None
Period End2020-02-06
Value0.075
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:SubsequentEventType, us-gaap:VariableRate

coll:TwoThousandTwentyTermLoan, us-gaap:SubsequentEvent, us-gaap:LondonInterbankOfferedRateLIBOR


None
Period End2020-02-06
Value0.075
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentConvertibleConversionRatio1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleConversionRatio1

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value34.262
Percentage of DebtInstrumentConvertibleConversionRatio1100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-6.5867.323-15.96813-3.9434.978-8.2637.814-2.7365.0178.9-10.8429.2413.595-2.5212.1611.1013.323-0.015-0.4531.01-1.0670.872-1.5751.7070.8030.008
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-2044000.0-985000.02990000.0277000.0-1805000.0-433000.0-76000.01689000.0-2131000.085000.0523000.01024000.0-1050000.0935000.0148000.0809000.0-237000.0716000.0-365000.0321000.0-354000.0-625000.01317000.0-322000.0157000.02000.0-20000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:AwardType

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

coll:EmployeeStockPurchaseProgram


None
Period End2020-06-302020-03-31
Value22822.029681.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-31
Value432690.0553200.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements1895.91863.8

us-gaap:PerformanceShares


None
Period End2020-06-302020-03-31
Value8796.08141.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements38.527.4

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-31
Value212220.0305340.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements929.91028.7

us-gaap:Warrant


None
Period End2020-06-302020-03-31
Value20113.072645.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements88.1244.8

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value3000.014000.0212000.0383000.0494000.0532000.0526000.0489000.0552000.0391000.0255000.0180000.0167000.0137000.098000.019000.0-2000.0-46000.0-66000.0
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyPatentsAllegedlyInfringedNumber us-gaap:LitigationCase

us-gaap:LossContingencyPatentsAllegedlyInfringedNumber

coll:PurduePharmaLimitedPartnershipPatentInfringementDistrictOfDelaware


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312015-03-24
Value05.00005.04.0
Percentage of LossContingencyPatentsAllegedlyInfringedNumber0.0100.00.00.00.0100.0100.0

coll:TevaLitigation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-05-092019-06-302019-03-312018-11-302018-03-31
Value011.0001.0011.02.011.0
Percentage of LossContingencyPatentsAllegedlyInfringedNumber0.0220.00.00.00.00.0220.00.00.0

us-gaap:LossContingencyPatentsFoundNotInfringedNumber us-gaap:LitigationCase

us-gaap:LossContingencyPatentsFoundNotInfringedNumber

coll:PurduePharmaLimitedPartnershipPatentInfringementDistrictOfMassachusetts


None
Period End2020-06-302020-03-312019-12-31
Value03.00
Percentage of LossContingencyPatentsFoundNotInfringedNumber0.0100.00.0

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-817000.01163000.0392000.0-418000.040000.0-298000.0810000.01805000.0272000.01055000.0129000.0119000.0-207000.0205000.099000.0
Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts us-gaap:DebtInstrument

us-gaap:PaymentsOfDebtIssuanceCosts

coll:PharmakonTermNotes


None
Period End2020-02-06
Value427000.0
Percentage of PaymentsOfDebtIssuanceCosts100.0

us-gaap:PaymentsOfDebtIssuanceCosts us-gaap:LongtermDebtType

us-gaap:ConvertibleDebt


None
Period End2020-09-302020-06-302020-03-31
Value0517000.04956000.0
Percentage of PaymentsOfDebtIssuanceCosts0.00.00.0

us-gaap:SecuredDebt


None
Period End2020-09-302020-06-302020-03-31
Value0256000.02200000.0
Percentage of PaymentsOfDebtIssuanceCosts0.00.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value247000.0564000.01358000.0101000.0198000.035000.0488000.090000.0114000.0140000.0216000.0017000.0051000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:DebtInstrument

us-gaap:ProceedsFromIssuanceOfDebt

coll:PharmakonTermNotes


None
Period End2020-02-06
Value194
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value401000.00357000.00373000.00444000.00607000.00510000.00468000.00673000.0
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value314000.01626000.04454000.01515000.0232000.086000.0213000.0168000.0182000.01532000.02373000.0308000.013000.0321000.094000.0329000.028000.044000.042000.045000.01000.011000.0460000.063000.08000.001000.0
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0028.4900015.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.0100.00.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.020.0321.340-0.3-0.1515.93
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.074.90.00.00.0100.2

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-302019-12-312019-09-30
Value852000.0229000.0667000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value65.5390.0060.6550.001-0.00100.633-0.00200.010.6400-0.0130.723-0.007000.770000.770.001
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.00.0100.00.00.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.287-0.0020.0150-0.00200.0260000.02600-0.0010.02100-0.0010.016000.0010.0160
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate100.0100.0100.00.0100.00.0100.00.00.00.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue


None
Period End2020-09-302019-12-312019-09-30
Value108000.01323000.060000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


None
Period End2020-09-302019-12-312019-09-30
Value-0.050.09-0.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:Range, us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

srt:Maximum, us-gaap:PerformanceShares


None
Period End2020-09-302020-06-302020-03-312019-01-31
Value198.002.0200.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value039411.0041316.0032826.036778.0050151.044056.0066785.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans0.0100.00.0100.00.0100.0100.00.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:StatementEquityComponents

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value039411.041316.032826.0036778.0050151.0044056.0066785.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans0.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value83461.0195280.057818.026304.0101480.021125.020887.032573.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:EmployeeStockOption


None
Period End2020-06-302020-03-31
Value131560.0455570.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value131560.0455570.025271.08218.018693.014752.013619.0137420.0183990.027046.04248.0106850.020653.025115.017948.015014.023754.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


None
Period End2020-09-302020-06-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value401000.00357000.0373000.0444000.00607000.00510000.00468000.00673000.0-3000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.00.0100.0100.0100.00.0100.00.0100.00.0100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-09-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value401000.00357000.0372000.0444000.00607000.00510000.00468000.00673000.0-3000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.00.0100.099.7100.00.0100.00.0100.00.0100.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value314000.01626000.04454000.0232000.058000.0246000.0168000.0182000.01532000.02373000.0308000.013000.0321000.094000.0329000.028000.045000.041000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value313000.01626000.04454000.0232000.058000.0246000.0168000.0182000.01532000.02373000.0308000.013000.0320000.094000.0329000.028000.045000.041000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised99.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.0100.0100.0

us-gaap:CommonStock


None
Period End2020-09-302017-12-312017-09-30
Value1000.000
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.30.00.0

coll:AccruedProductTaxesAndFeesCurrent

coll:AccruedProductTaxesAndFeesCurrent


None
Period End2020-09-30
Value1420000.0
Percentage of AccruedProductTaxesAndFeesCurrent100.0

coll:AccruedRebatesReturnsAndDiscountsCurrent

coll:AccruedRebatesReturnsAndDiscountsCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1701711711571651581521441301079215
Percentage of AccruedRebatesReturnsAndDiscountsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:AdditionalCostsIncurred us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

coll:AdditionalCostsIncurred

coll:Nucynta, coll:NucyntaCommercializationAgreement


None
Period End2020-02-062018-11-08
Value3678.043
Percentage of AdditionalCostsIncurred100.0100.0

coll:AdditionalCostsIncurred us-gaap:TypeOfArrangement

coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value367
Percentage of AdditionalCostsIncurred100.0

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssets us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssets

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value367
Percentage of AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssets100.0

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value6030000.0
Percentage of AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory100.0

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-29
Value373
Percentage of AssetAcquisitionRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0

coll:CollaborativeArrangementGuaranteedRoyaltyPaymentLiability us-gaap:CounterpartyName, us-gaap:ProductOrService, us-gaap:TypeOfArrangement

coll:CollaborativeArrangementGuaranteedRoyaltyPaymentLiability

coll:Assertio, coll:Nucynta, coll:AssetPurchaseAgreement


None
Period End2020-02-06
Value34
Percentage of CollaborativeArrangementGuaranteedRoyaltyPaymentLiability100.0

coll:DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts us-gaap:DebtInstrument

coll:DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-30
Value44
Percentage of DebtInstrumentConvertibleCarryingAmountOfEquityComponentNetOfIssuanceCosts100.0

coll:DebtInstrumentDefaultProvisionsThresholdAmountBorrowed us-gaap:DebtInstrument

coll:DebtInstrumentDefaultProvisionsThresholdAmountBorrowed

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value20
Percentage of DebtInstrumentDefaultProvisionsThresholdAmountBorrowed100.0

coll:DebtInstrumentInitialCarryingAmountOfLiabilityComponent us-gaap:DebtInstrument

coll:DebtInstrumentInitialCarryingAmountOfLiabilityComponent

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value97
Percentage of DebtInstrumentInitialCarryingAmountOfLiabilityComponent100.0

coll:DebtInstrumentTotalMinimumPayments us-gaap:DebtInstrument

coll:DebtInstrumentTotalMinimumPayments

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-30
Value164
Percentage of DebtInstrumentTotalMinimumPayments100.0

coll:LongTermDebtMaturityYearFiveAndAfterYearFive us-gaap:DebtInstrument

coll:LongTermDebtMaturityYearFiveAndAfterYearFive

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-30
Value149
Percentage of LongTermDebtMaturityYearFiveAndAfterYearFive100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value3408000.02331000.01198000.04047000.03289000.02008000.01010000.04286000.02721000.01828000.01453000.02940000.02089000.01400000.0730000.02210000.02887000.02281000.0828000.01474000.0
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedMarketingCostsCurrent

us-gaap:AccruedMarketingCostsCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value310000.0424000.0805000.0775000.0651000.0690000.01586000.02193000.0844000.0259000.0883000.0624000.01076000.01202000.0839000.0801000.0515000.01064000.099000.0157000.0
Percentage of AccruedMarketingCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value558000.0623000.0823000.0308000.0716000.0674000.01004000.0480000.0431000.0551000.0554000.0405000.0404000.0508000.0489000.0416000.0267000.0185000.0134000.0209000.0109000.0145000.0833000.0249000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6.587126.301219.464158.5215
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:MoneyMarketFunds


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value4545459494939392921218181125
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4545459494939392921218181
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability us-gaap:ValuationAllowancesAndReservesType

us-gaap:ContractWithCustomerLiability

coll:AllowanceAndChargebacksForTradeReceivables


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value12141414131414141822142.256
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

coll:AllowanceForRebatesAndIncentives


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value135138141129138135132129118766312
Percentage of ContractWithCustomerLiability1054.0930.6995.7926.51016.9954.7899.6871.4627.9336.1432.4560.6

coll:ContractWithCustomerRefundLiability


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3532302726231915118.4726.3753.137
Percentage of ContractWithCustomerLiability274.0221.0213.6197.2196.4163.3131.6104.261.337.043.5139.1

us-gaap:ConvertibleDebtFairValueDisclosures

us-gaap:ConvertibleDebtFairValueDisclosures


None
Period End2020-09-30
Value142
Percentage of ConvertibleDebtFairValueDisclosures100.0

us-gaap:ConvertibleLongTermNotesPayable

us-gaap:ConvertibleLongTermNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value979694
Percentage of ConvertibleLongTermNotesPayable100.0100.0100.0

us-gaap:ConvertibleLongTermNotesPayable us-gaap:DebtInstrument

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value979694
Percentage of ConvertibleLongTermNotesPayable100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

coll:PharmakonTermNotes


None
Period End2020-09-302020-06-302020-03-31
Value175187200
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value46
Percentage of DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent100.0

us-gaap:DebtInstrumentConvertibleConversionPrice1 us-gaap:DebtInstrument

us-gaap:DebtInstrumentConvertibleConversionPrice1

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value29.19
Percentage of DebtInstrumentConvertibleConversionPrice1100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

coll:PharmakonTermNotes


None
Period End2020-02-06
Value200
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value143
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

coll:TwoThousandTwentyTermLoan, us-gaap:SubsequentEvent


None
Period End2020-02-06
Value200
Percentage of DebtInstrumentFaceAmount100.0

us-gaap:ConvertibleNotesPayable, us-gaap:SubsequentEvent


None
Period End2020-02-13
Value143
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-30
Value10.27
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value3700000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

coll:PharmakonTermNotes


None
Period End2020-09-30
Value5.752
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value454749
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet798.90.00.0

us-gaap:DeferredFinanceCostsNoncurrentGross us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNoncurrentGross

us-gaap:ConvertibleNotesPayable


None
Period End2020-02-13
Value5473000.0
Percentage of DeferredFinanceCostsNoncurrentGross100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1883000.01284000.02260000.01154000.01949000.01230000.01582000.01544000.01600000.01401000.01579000.01382000.01762000.01631000.01433000.01217000.01383000.0991000.0552000.01567000.01169000.0725000.0659000.0635000.0
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:PerformanceShares


None
Period End2020-09-302020-06-302019-12-31
Value3.6064.3430.272
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-302020-06-302019-12-312018-12-312017-12-312016-12-31
Value1921107.9872.2180.509
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions530.9499.43746.00.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


None
Period End2020-09-302020-06-30
Value3944
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeStockOption


None
Period End2020-09-302020-06-30
Value1618
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions41.942.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


None
Period End2020-03-312019-12-312018-09-302018-06-302018-03-31
Value134124323229
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

coll:Nucynta


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value168151134124120117113109
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.00.0100.0100.00.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

coll:Nucynta, coll:NucyntaCommercializationAgreement


None
Period End2020-09-302019-12-312018-12-31
Value168124109
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.0100.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:TypeOfArrangement

coll:AssetPurchaseAgreement


None
Period End2020-06-30
Value151
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


None
Period End2020-09-30
Value67
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear


None
Period End2020-09-30
Value16
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


None
Period End2020-09-30
Value67
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


None
Period End2020-09-30
Value67
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


None
Period End2020-09-30
Value67
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


None
Period End2020-09-30
Value67
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


None
Period End2020-03-312019-12-31
Value521154
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

coll:Nucynta


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-01-09
Value521521521154154154154154515
Percentage of FiniteLivedIntangibleAssetsGross0.00.0100.0100.00.00.00.00.00.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

coll:Nucynta, coll:NucyntaCommercializationAgreement


None
Period End2020-09-302019-12-312018-12-312018-01-31
Value521154154515
Percentage of FiniteLivedIntangibleAssetsGross0.0100.00.00.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:TypeOfArrangement

coll:AssetPurchaseAgreement


None
Period End2020-06-30
Value521
Percentage of FiniteLivedIntangibleAssetsGross0.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value472000.01436000.0503000.0473000.0429000.0382000.0329000.0274000.0212000.0153000.098000.06000.09000.012000.015000.018000.020000.023000.026000.029000.031000.032000.034000.071000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrentAndNoncurrent us-gaap:DebtInstrument

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-30
Value20
Percentage of InterestPayableCurrentAndNoncurrent100.0

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterials


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3784000.05153000.05626000.0795000.01531000.01664000.02435000.0496000.0547000.0350000.0532000.0616000.0599000.0398000.0388000.0294000.0
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcess


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-12-31
Value2654000.02643000.01685000.01427000.0889000.0848000.01368000.0671000.0908000.0709000.0496000.0322000.0168000.083000.067000.0
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LoansPayableCurrent

us-gaap:LoansPayableCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value4747463.8332.8751.9172.4641.6420.8211.4792.1462.3892.5562.6672.6672.6672.6672.6672.6672.251.751.194
Percentage of LoansPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

coll:PharmakonTermNotes


None
Period End2020-09-302020-06-302020-03-31
Value502537
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value3.7731.9081.939
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths7.57.65.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:ConvertibleNotesPayable


None
Period End2020-06-302020-03-31
Value3.7733.836
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

coll:PharmakonTermNotes


None
Period End2020-09-302020-06-302020-03-31
Value125050
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value3.7733.7733.826
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour30.27.57.7

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

coll:PharmakonTermNotes


None
Period End2020-09-302020-06-302020-03-31
Value503737
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value3.7733.7733.826
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree7.510.110.2

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:ConvertibleNotesPayable


None
Period End2020-09-302020-06-302020-03-31
Value3.7733.7733.826
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

coll:PharmakonTermNotes


None
Period End2020-09-30
Value12
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0

us-gaap:LongTermLoansPayable

us-gaap:LongTermLoansPayable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1211331457.6678.6259.5839.0369.8580.4240.9241.4792.1462.8133.484.1464.8135.486.1466.813
Percentage of LongTermLoansPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2547000.02547000.02645000.000703000.097000.097000.097000.097000.097000.097000.097000.097000.097000.097000.097000.097000.080000.0
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value283220.0283220.099400.099400.099400.099400.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1317500.01372600.0849680.0868080.0892240.0893460.0514600.0532790.0522190.0497690.0218870.0218870.0223190.0156360.041741.041739.041739.041739.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber465.2484.6854.8873.3897.6898.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value24.2624.2624.2615.915.915.915.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value19.3319.3719.2317.116.9817.5417.7920.6720.4820.1719.2712.6412.6412.7115.4416.1516.1516.1516.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue79.779.879.3107.5106.8110.3111.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


None
Period End2020-09-30
Value16.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


None
Period End2020-09-302020-06-302020-03-312019-12-31
Value157.8665.90421
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


None
Period End2020-09-30
Value10
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument

us-gaap:UnamortizedDebtIssuanceExpense

coll:PharmakonTermNotes


None
Period End2020-06-302020-03-312020-02-06
Value6569000.07430000.02456000.0
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0

us-gaap:WorkersCompensationLiabilityCurrent

us-gaap:WorkersCompensationLiabilityCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1492000.01586000.01522000.01650000.01354000.01566000.01547000.01806000.01744000.01643000.02937000.01790000.01671000.01254000.01028000.01160000.0
Percentage of WorkersCompensationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
None
TTM Greenblatt ROC
_
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:InterestExpenseDebt
us-gaap:DebtInstrument
(None,)
None
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None