SAGE


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents
us-gaap:TypeOfArrangement
us-gaap:OperatingCostsAndExpenses

us-gaap:OperatingExpenses
us-gaap:TypeOfArrangement

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss

us-gaap:ResearchAndDevelopmentExpense
us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType
us-gaap:TypeOfArrangement

us-gaap:Revenues
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement
us-gaap:ProductOrService

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:TypeOfArrangement

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:MarketableSecuritiesCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:OperatingLeaseLiability
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxAssetsValuationAllowance

sage:AllocatedShareBasedCompensationExpenseIncludingRestructing

sage:CostOfSales

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent

sage:IncreaseDecreaseInOperatingLeaseRightOfUseAsset

sage:LeaseAssetDeRecognizedUponLeaseCancellation
us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
sage:MilestonePayments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
sage:MilestonePaymentsRelatedToIntangibleAssets
us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

sage:PremiumOnMarketableSecurities
us-gaap:ShortTermDebtType, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock
sage:ProceedsFromIssuanceOrSaleOfEquityAndNotes
us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement
sage:ProceedsFromRelatedParties
us-gaap:TypeOfArrangement
sage:PurchasePriceForNewShareIssued
us-gaap:TypeOfArrangement
sage:ReimbursementIncome
us-gaap:TypeOfArrangement
sage:ReimbursementReductionsToExpense
us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement
sage:ResearchAndDevelopmentExpenseRelatedToMilestonePayment

sage:StockOptionModificationAsPartOfRestructuring
us-gaap:TypeOfArrangement
sage:UpFrontPayment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:DeferredRevenueAdditions

us-gaap:Depreciation

us-gaap:IncreaseDecreaseInAccountsReceivableRelatedParties

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromCollaborators
us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock
us-gaap:ProceedsFromIssuanceOfPrivatePlacement

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RestructuringCharges

us-gaap:RestructuringReserveSettledWithoutCash2
us-gaap:TypeOfArrangement
us-gaap:SaleOfStockConsiderationReceivedOnTransaction
us-gaap:RestructuringCostAndReserve
us-gaap:SeveranceCosts1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

sage:AccruedResearchAndDevelopmentCosts

sage:AccruedRestructuringExpenses

sage:DeferredTaxAssetsCapitalizedStartUpCosts

sage:DeferredTaxAssetsRightOfUseAsset

sage:DeferredTaxAssetsStockOptions

sage:LossOnMarketableSecuritiesHeldToMaturityFairValue
us-gaap:EquitySecuritiesByInvestmentObjective, us-gaap:InvestmentType
us-gaap:InvestmentType

sage:MarketableSecuritiesHeldToMaturityFairValue
us-gaap:EquitySecuritiesByInvestmentObjective, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:AccountsReceivableRelatedPartiesCurrent
us-gaap:TypeOfArrangement
us-gaap:PlanName
us-gaap:AccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:InvestmentType

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent
us-gaap:InvestmentType

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType
us-gaap:InvestmentType
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentSalvageValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestructuringReserve
us-gaap:TypeOfArrangement
us-gaap:RevenueRemainingPerformanceObligation
us-gaap:TypeOfArrangement
us-gaap:SaleOfStockPricePerShare
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TreasuryStockCommonValue

Plots across concepts


IncomeStatement
Operating Income Loss
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Other Accrued Liabilities Current
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current

Tables

  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:CommonStockValue ██▁▁▁▁▁▁▁▁▁▁0.0060.0060.0050.0050.0050.0050.0050.0050.0050.0050.0050.005
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 58.582569NA51.98146851.92607451.90876NA51.70468751.2576448.491834NA46.7067746.541716
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 58.582569NA51.98146851.92607451.90876NA51.70468751.2576448.491834NA46.7067746.541716
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted 58.582569NA51.98146851.92607451.90876NA51.70468751.2576448.491834NA46.7067746.541716
us-gaap:EarningsPerShareBasic NA18.71-2.03-2.63-2.44NANANANANANANA
us-gaap:EarningsPerShareDiluted NA18.19-2.03-2.63-2.44NANANANANANANA
us-gaap:EarningsPerShareBasicAndDiluted -1.83NA-2.03-2.63-2.44-3.25-3.48-3.28-3.37-3.38-2.63-0.36
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:AllocatedShareBasedCompensationExpense ▃▁▁▂▄▄█▅█▄▃▄27.66320.74420.10824.03231.1130.67943.66934.76744.11631.6425.47829.028
us-gaap:ComprehensiveIncomeNetOfTax ▁█▁▁▁▁▁▁▁▁▁▂-107.294974.364-106.498-133.846-128.827-169.135-179.756-166.54-162.997-158.646-123.03-16.938
us-gaap:InterestIncomeExpenseNonoperatingNet ▁▁▂▃▅▆▇█▆▆▆▅0.7320.8341.3472.6864.7295.9157.2278.226.4425.8515.8175.137
us-gaap:NetIncomeLoss ▁█▁▁▁▁▁▁▁▁▁▂-107.245974.895-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings-107.245NA-105.735-136.347-126.74NA-179.958-168.221-163.406NA-122.918-16.978
 us-gaap:OperatingCostsAndExpenses us-gaap:TypeOfArrangement sage:BiogenCollaborationAgreement48.866NANANANANANANANANANANA
us-gaap:OperatingExpenses ▁▃▁▄▃▇█▇▆▆▃▁109.664135.211108.797140.056133.91176.598190.747177.33170.317164.5128.745112.147
us-gaap:OperatingIncomeLoss ▁█▁▁▁▁▁▁▁▁▁▂-108.021973.975-107.158-138.967-131.624-174.638-187.177-176.457-169.852-164.227-128.745-22.147
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▃▃█▁▃▄▇▅▄▄▄-0.049-0.531-0.7632.501-2.087-0.4820.2021.6810.409-0.258-0.1120.04
us-gaap:OtherNonoperatingIncomeExpense ▄▆▅▁█▅▃▄▃▃▃▄0.0440.0850.076-0.0660.1550.07-0.0080.0160.004-0.0120.010.032
us-gaap:ProfitLoss ▁█▁▁▁▁▁▁▁▁▁▂-107.245974.895-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978
us-gaap:ResearchAndDevelopmentExpense ▁▄▃▃▁▆█▆▅▆▃▂66.1781.70674.07873.3263.6191.25102.10889.05986.39888.80575.05268.98
us-gaap:Revenues ▁█▁▁▁▁▁▁▁▁▁▂1.6431109.1861.6391.0892.2861.963.570.8730.4650.2730.090.0
us-gaap:SellingGeneralAndAdministrativeExpense ▂▃▁▁▆███▇▆▃▂43.34653.49835.09938.22470.1385.12988.50288.22783.91975.69553.69343.167
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:Assets ▇█▁▁▂▃▃▄▄▂▃▃2015.4752159.246738.628827.242944.9731084.151203.7271315.5471422.914952.7051046.9991129.483
us-gaap:Liabilities ▄▄▃▄▅█▇▆▅▄▂▁85.96386.91281.04787.32795.767139.495122.656112.672103.3889.73458.49451.72
us-gaap:LiabilitiesAndStockholdersEquity ▇█▁▁▂▃▃▄▄▂▃▃2015.4752159.246738.628827.242944.9731084.151203.7271315.5471422.914952.7051046.9991129.483
us-gaap:StockholdersEquity ▇█▁▁▂▂▃▄▄▂▃▃1929.5122072.334657.581739.915849.206944.6551081.0711202.8751319.534862.971988.5051077.763
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:AssetsCurrent ▇█▁▁▂▃▃▄▄▂▃▃1988.5992122.37698.884785.384898.2361035.0931152.6631263.571371.532944.6951039.9121123.769
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃█▁▂▁▁▂▁▂▁▂▂514.1581661.082184.27258.228199.444126.705259.181166.185342.295190.943253.123325.83
us-gaap:MarketableSecuritiesCurrent █▁▁▁▃▄▄▆▅▃▃▃1397.157438.467484.267498.294673.313881.688863.0691070.3641008.956731.833768.278766.603
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▇▅█▇▆▇█▇▄▅▃▁28.84622.82130.34728.86225.47926.730.41327.02120.28121.91918.51112.958
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:PropertyPlantAndEquipmentGross ▃█████▇▆▄▃▂▁7.95513.84313.84313.90713.85213.62513.19911.4999.1447.8597.0216.011
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▅█▇▆▆▅▄▃▂▂▁▁4.6757.0886.4395.835.1684.4993.8343.1362.6312.2161.8531.566
us-gaap:PropertyPlantAndEquipmentNet ▁▅▆▇▇██▇▅▄▃▂3.286.7557.4048.0778.6849.1269.3658.3636.5135.6435.1684.445
us-gaap:OperatingLeaseRightOfUseAsset ▁▃▄▄▆▆▇██18.72825.06426.54627.99931.99233.77135.51437.22438.124NANANA
us-gaap:OtherAssetsNoncurrent ▅▁▂▂▆█3.5993.3413.4273.4153.6943.793NANANANANANA
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:AccountsPayableCurrent ▁▁▁▁▂▄▂▃▃█▂▂2.9173.6914.2892.3877.9115.2665.04112.43113.55634.0365.8798.338
us-gaap:AccruedLiabilitiesCurrent ▄▃▂▃▃█▇▄▂▃▂▁61.62354.85146.75653.32852.1886.61878.12758.91247.65151.99448.64739.581
us-gaap:LiabilitiesCurrent ▄▃▂▃▃█▆▄▃▅▂▁71.89867.20459.66564.29270.36112.12890.95678.95368.37686.0354.52647.919
us-gaap:OperatingLeaseLiabilityCurrent ▁▄▄▄██7.3588.6628.628.57710.2710.244NANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▂▂▃▃▃▃▃▂█▁▁▂0.7330.50.9751.0621.1530.9470.8910.533.2970.2370.1720.457
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:OtherLiabilitiesNoncurrent ▁▁▁▁▂▂▁▂▂███0.1010.270.3130.3740.4560.5190.340.410.4763.7043.9683.801
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▃▄▄▅▆▇█13.96419.43821.06922.66124.95126.84831.3633.309NANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:AdjustmentsForNewAccountingPronouncements us-gaap:AccountingStandardsUpdate201602NA8.898NANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:AdjustmentsForNewAccountingPronouncements us-gaap:AccountingStandardsUpdate201602NA9.105NANANANANANANANANANA
 us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:AdjustmentsForNewAccountingPronouncements us-gaap:AccountingStandardsUpdate201602NA5.56NANANANANANANANANANA
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:StockholdersEquity ▇█▁▁▂▂▃▄▄▂▃▃1929.5122072.334657.581739.915849.206944.6551081.0711202.8751319.534862.971988.5051077.763
us-gaap:CommonStockValue ██▁▁▁▁▁▁▁▁▁▁0.0060.0060.0050.0050.0050.0050.0050.0050.0050.0050.0050.005
us-gaap:AdditionalPaidInCapitalCommonStock ██▆▅▅▅▅▅▄▁▁▁3170.6943109.8072669.4192645.2552620.72587.3222554.6032496.6512446.771827.0211793.9091760.137
us-gaap:RetainedEarningsAccumulatedDeficit ▅▆▁▂▂▃▄▅▆▇▇█-1240.503-1037.494-2012.389-1906.654-1770.307-1643.567-1474.914-1294.956-1126.735-963.329-804.941-682.023
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▄▆█▁▇█▇▃▂▂▃-0.2850.4150.9461.709-0.7921.2951.7771.575-0.106-0.515-0.257-0.145
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue 27.465NA19.86324.16830.218NA43.05334.2843.622NA25.17928.782
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▁▁▁▁▁▁▁▁▁▂-102.7691010.971-91.016-118.984-136.691-116.726-128.702-133.344-149.934-101.778-80.187-0.135
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▅██▅█▄▁▆▅▂-288.38845.51913.513177.382206.27-17.916207.779-58.109-274.9138.4180.052-238.13
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▆▁▁▁▁▁▁█▁▁▁6.065419.6713.5450.3863.162.16613.91915.343576.1961.6288.0786.54
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█▂▃▃▂▃▂▃▂▂▂-385.0921476.161-73.95858.78472.739-132.47692.996-176.11151.352-61.732-72.057-231.725
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:IncreaseDecreaseInAccountsPayable ▄▄▄▃▃▅▃▄▁█▄▄-0.368-0.5981.902-5.508-7.30710.172-7.149-1.299-20.50727.914-2.467-0.026
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▁▁▁▁▁▁▁▁▁▂-102.7691010.971-91.016-118.984-136.691-116.726-128.702-133.344-149.934-101.778-80.187-0.135
us-gaap:NetIncomeLoss ▁█▁▁▁▁▁▁▁▁▁▂-107.245974.895-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings-107.245NA-105.735-136.347-126.74NA-179.958-168.221-163.406NA-122.918-16.978
us-gaap:ProfitLoss ▁█▁▁▁▁▁▁▁▁▁▂-107.245974.895-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978
us-gaap:ShareBasedCompensation ▃▁▁▂▄▄█▅█▄▃▄27.66320.74420.10824.03231.1130.67943.66934.76744.11631.6425.47829.028
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▆▅██▅█▄▁▆▅▂-288.38845.51913.513177.382206.27-17.916207.779-58.109-274.9138.4180.052-238.13
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment NA0.0-0.0010.070.2760.3731.942.1811.2570.8080.9980.402
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▆▁▁▁▁▁▁█▁▁▁6.065419.6713.5450.3863.162.16613.91915.343576.1961.6288.0786.54
  2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6000.06000.06000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.04000.04000.04000.04000.04000.03000.03000.03000.03000.03000.03000.03000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value5858515151515148464644373737323231282725191.7005171.6527261.5148381.464419
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value5858515151515148464644373737323231282725191.7005171.6527261.5148381.464419
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value5858515151515148464644373737323231282725191.7005171.6527261.5148381.464419
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2020-12-312020-09-302020-06-302020-03-31
Value18.71-2.03-2.63-2.44
Percentage of EarningsPerShareBasic100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2020-12-312020-09-302020-06-302020-03-31
Value18.19-2.03-2.63-2.44
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-1.83-1.64-2.03-2.63-2.44-3.25-3.48-3.28-3.37-3.38-2.63-0.36-1.68-1.75-1.97-1.88-1.52-1.5-1.15-1.08-0.97-0.99-0.84-0.9-0.66-0.48-0.5-4.57-3.7-3.7-2.98-3.18
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value2721202024313043344431252915109.7319.356.208104.7484.4653.7144.0864.4075.3981.3491.3260.690.3350.160.0290.020.008
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1683.70.01.91226.82206.81360.91565.31223.23982.59487.311589.70.032.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

sage:EmployeeStockPurchasePlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1980.2420.0250.245-0.1360.8920.1250.6160.4870.4940.1570.2990.2460.2680.1120.1410.0640.075
Percentage of AllocatedShareBasedCompensationExpense0.71.10.11.2-0.62.90.41.41.41.10.51.20.81.71.11.40.71.2
Percentage of Revenues12.10.00.014.9-12.539.06.417.355.8106.257.50.00.30.00.00.00.00.0
Percentage of Revenues sage:EmployeeStockPurchasePlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21191718233030323443312528159.969.4149.1196.033
Percentage of AllocatedShareBasedCompensationExpense77.989.585.093.597.497.199.673.698.698.799.098.298.697.297.296.797.597.2
Percentage of Revenues1311.30.01.61146.92150.41321.91558.9899.73926.79368.611472.20.031.80.00.00.00.00.0
Percentage of Revenues us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.922.0553.0891.0660.750.0100.00.0580.1640.1640.1550.1680.1730.1760.1670.1
Percentage of AllocatedShareBasedCompensationExpense21.49.414.95.33.10.025.00.00.10.50.60.51.11.71.81.81.6
Percentage of Revenues360.30.00.365.068.90.0306.30.012.560.10.00.20.00.00.00.00.0
Percentage of Revenues us-gaap:RestrictedStockUnitsRSU0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value139.281109.9271012111713201513128.8995.6545.3995.2453.5965.0182.532.0371.6111.6311.4722.2980.5230.540.2940.1530.1060.0140.0120.008
Percentage of AllocatedShareBasedCompensationExpense48.642.248.749.442.139.337.239.239.347.050.254.941.756.355.255.556.157.949.753.345.643.439.933.442.638.840.742.645.766.248.360.0100.0
Percentage of Revenues818.80.00.9605.7929.3534.7581.8479.31566.14461.35816.80.013.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14121010121819262123151116
Percentage of AllocatedShareBasedCompensationExpense51.457.851.350.650.460.762.860.860.753.049.845.158.3
Percentage of Revenues864.90.01.0621.21113.3826.2983.5743.92416.45026.05772.90.018.8
Percentage of Revenues us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-107.294-96.415974-106.498-133.846-128.827-169.135-179.756-166.54-162.997-158.646-123.03-16.938-74.754-69.436-73.667-70.188-56.757-55.968-37.87-34.708-30.543-28.562-24.035-25.027
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6530.40.087.8-6497.7-12290.7-5635.5-8629.3-5035.2-19076.7-35053.1-58112.10.0-18.80.00.00.00.00.00.00.00.00.00.00.00.0

Interest Income Expense Nonoperating Net

us-gaap:InterestIncomeExpenseNonoperatingNet

us-gaap:InterestIncomeExpenseNonoperatingNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.7320.7080.8341.3472.6864.7295.9157.2278.226.4425.8515.8175.1373.5291.0430.6770.6720.7070.4940.2750.2660.1750.0630.0530.0410.0210.0040.0030.001
Percentage of InterestIncomeExpenseNonoperatingNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues44.60.00.182.2246.6206.9301.8202.4941.61385.42143.20.05.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-107.245-95.764974-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978-74.598-69.421-73.719-70.202-56.778-55.901-37.796-34.747-30.543-28.562-24.035-25.027-16.871-12.361-9.468-6.192-5.79-5.718-4.519-4.655
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.087.9-6451.2-12520.4-5544.2-8604.7-5040.8-19269.3-35141.1-58017.60.0-18.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-107.245-95.764-105.735-136.347-126.74-179.958-168.221-163.406-122.918-16.978-74.598
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.0-6451.2-12520.4-5544.2-5040.8-19269.3-35141.10.0-18.90.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Costs And Expenses

us-gaap:OperatingCostsAndExpenses us-gaap:TypeOfArrangement

us-gaap:OperatingCostsAndExpenses

sage:BiogenCollaborationAgreement


Operating
Period End2021-06-302021-03-31
Value4849
Percentage of OperatingCostsAndExpenses100.0100.0
Percentage of Revenues2974.20.0
Percentage of Revenues sage:BiogenCollaborationAgreement0.00.0

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1099813510814013317619017717016412811278707470575638353028242516129.4716.1885.795.7154.5194.655
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6674.60.012.26638.012861.05857.89010.15343.120312.736627.360256.40.0124.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingExpenses us-gaap:TypeOfArrangement

sage:BiogenCollaborationAgreement


Operating
Period End2021-06-302021-03-31
Value2525
Percentage of OperatingExpenses23.025.6
Percentage of Revenues1533.40.0
Percentage of Revenues sage:BiogenCollaborationAgreement0.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-108.021-96.507973-107.158-138.967-131.624-174.638-187.177-176.457-169.852-164.227-128.745-22.147-78.119-70.448-74.373-70.854-57.48-56.379-38.064-35.006-30.714-28.612-24.082-25.059-16.897-12.361-9.471-6.188-5.79-5.715-4.519-4.655
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6574.60.087.8-6538.0-12761.0-5757.8-8910.1-5243.1-20212.7-36527.3-60156.40.0-24.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-49000.0-651000.0-531000.0-763000.02501000.0-2087000.0-482000.0202000.01681000.0409000.0-258000.0-112000.040000.0-156000.0-14000.052000.014000.021000.0-67000.0-74000.039000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.00.0-0.0-46.6229.7-91.3-24.65.7192.688.0-94.50.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value44000.035000.085000.076000.0-66000.0155000.070000.0-8000.016000.04000.0-12000.010000.032000.0-8000.0-16000.0-23000.0-20000.0-5000.0-17000.0-7000.0-7000.0-4000.0-13000.0-6000.0-9000.05000.0-4000.0-1000.0-5000.0-4000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.70.00.04.6-6.16.83.6-0.21.80.9-4.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-107.245-95.764974-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978-74.598-69.422-73.719
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.087.9-6451.2-12520.4-5544.2-8604.7-5040.8-19269.3-35141.1-58017.60.0-18.90.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value665881747363911028986887568495058554542292623201718128.9456.6014.3814.1734.5123.4083.854
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4027.40.07.44519.76732.82782.64655.62860.210201.518580.232529.30.076.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType

sage:CydexLicenseAgreement


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312015-09-302015-06-30
Value0.01.00.00.00.01.00.00.00.01.00.00.00.01.00.10.5
Percentage of ResearchAndDevelopmentExpense0.01.70.00.00.01.60.00.00.01.20.00.00.02.00.62.7
Percentage of Revenues0.00.00.00.00.043.70.00.00.0215.10.00.00.00.00.00.0
Percentage of Revenues sage:CydexLicenseAgreement0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense us-gaap:TypeOfArrangement

sage:BiogenCollaborationAgreement


Research
Period End2021-06-302021-03-31
Value2022
Percentage of ResearchAndDevelopmentExpense30.438.0
Percentage of Revenues1225.90.0
Percentage of Revenues sage:BiogenCollaborationAgreement0.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.64311091.6391.0892.2861.963.570.8730.4650.2730.090
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:Revenues us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:TypeOfArrangement

sage:LicenseThree, sage:ShionogiCollaborationAgreement


Revenuesus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-30
Value0.00.00.0900.00.00.09090
Percentage of Revenues0.00.00.03937.00.00.00.019354.8100.0
Percentage of Revenues0.00.00.03937.00.00.00.019354.8100.0
Percentage of Revenues sage:LicenseThree sage:ShionogiCollaborationAgreement0.00.00.0100.00.00.00.0100.0100.0

us-gaap:Revenues us-gaap:ProductOrService

us-gaap:Product


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.5831.6861.6391.0892.2861.961.4780.519
Percentage of Revenues0.00.2100.0100.0100.0100.041.459.5
Percentage of Revenues0.00.2100.0100.0100.0100.041.459.5
Percentage of Revenues us-gaap:Product100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43395335387085888883755343
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2638.20.04.82141.53510.03067.84343.32479.010106.218047.127727.10.048.0

us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:TypeOfArrangement

sage:BiogenCollaborationAgreement


Selling
Period End2021-06-302021-03-31
Value3.5312.698
Percentage of SellingGeneralAndAdministrativeExpense8.16.8
Percentage of Revenues214.90.0
Percentage of Revenues sage:BiogenCollaborationAgreement0.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value2015208021597388279441084120313151422952104611291100529251293351404436275303189208228115129137518.532
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value8577868187951391221121038958514154513332362218161510118.9687.785.0443.9712.359
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.33.74.011.010.610.112.910.28.67.39.45.64.63.810.320.311.39.38.95.26.75.38.14.94.87.86.03.77.727.6

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value2015208021597388279441084120313151422952104611291100529251293351404436275303189208228115129137518.532
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-31
Value19292003207265773984994410811202131986298810771059475200260318368413257287173198217106121132-44.792-31.536-13.394-3.761
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets95.796.396.089.089.489.987.189.891.492.790.694.495.496.289.779.788.790.791.194.893.394.791.995.195.292.294.096.3-86.7-369.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.285-0.2360.4150.9461.709-0.7921.2951.7771.575-0.106-0.515-0.257-0.145-0.185-0.029-0.102
Percentage of StockholdersEquity-0.0-0.00.00.10.2-0.10.10.20.1-0.0-0.1-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.00.00.10.2-0.10.10.10.1-0.0-0.1-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value3170313731092669264526202587255424962446182717931760172410666883351881870.139
Percentage of StockholdersEquity164.3156.6150.1405.9357.5308.6273.9236.3207.6185.4211.7181.5163.3162.8224.2187.0192.9154.8141.0-0.4
Percentage of Assets157.3150.8144.0361.4319.8277.3238.6212.2189.8172.0191.8171.3155.8156.7201.2170.3177.3145.5135.81.6
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-30
Value0.0060.0060.0060.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0040.0030.0030.003
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-1240.503-1133.258-1037.494-2012.389-1906.654-1770.307-1643.567-1474.914-1294.956-1126.735-963.329-804.941-682.023-665.045-590.447-320.327-161.34-66.845-31.675-13.394
Percentage of StockholdersEquity-64.3-56.6-50.1-306.0-257.7-208.5-174.0-136.4-107.7-85.4-111.6-81.4-63.3-62.8-124.2-86.9-92.9-54.8100.4100.0
Percentage of Assets-61.5-54.5-48.0-272.4-230.5-187.3-151.6-122.5-98.4-79.2-101.1-76.9-60.4-60.4-111.4-79.2-85.4-51.6-371.20.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.211-0.211-0.211-0.211-0.113-0.017
Percentage of StockholdersEquity-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1988205121226987858981035115212631371944103911231095525248291349402434274302188207227114128137518.407
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets98.798.698.394.694.995.195.595.896.096.499.299.399.599.599.198.999.299.499.599.699.499.799.799.699.699.299.399.999.898.5

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-31
Value514899166118425819912625916634219025332555730613413314516832018929918620422411312713649558.066120.5232.8022.842
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.543.276.924.931.221.111.721.512.624.120.024.228.850.757.853.745.541.441.773.468.698.798.898.398.198.098.599.195.10.094.50.00.00.00.0

Marketable Securities Current

us-gaap:MarketableSecuritiesCurrent

us-gaap:MarketableSecuritiesCurrent


Marketable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value1397110443848449867388186310701008731768766525212108152197228111830.0
Percentage of MarketableSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets69.353.120.365.660.271.381.371.781.470.976.873.467.947.840.143.252.056.156.625.530.20.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value28232230282526302720211812116.2274.8925.1926.485.13.4181.8122.9261.7382.6043.2741.3671.0561.0632.4160.341
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.11.14.13.52.72.52.52.11.42.31.81.11.11.21.91.81.81.30.80.71.00.91.21.41.20.80.84.74.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value7.9558.825131313131313119.1447.8597.0216.0115.6155.0861.930.5470.3090.181
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.61.91.71.51.31.10.90.60.80.70.50.51.00.50.30.22.1

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

sage:ComputerHardwareAndSoftware


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-31
Value1.261.3022.7582.7582.8232.8232.832.7132.4272.2862.1481.7781.4761.1311.090.7080.40.206
Percentage of PropertyPlantAndEquipmentGross15.814.819.919.920.320.420.820.621.125.027.325.324.620.121.436.773.166.7
Percentage of Assets0.10.10.10.40.30.30.30.20.20.20.20.20.10.10.20.20.20.2
Percentage of Assets sage:ComputerHardwareAndSoftware0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value0.8960.9641.8651.8651.8641.8341.8281.8271.7741.1251.0020.9380.9360.891.0290.6950.1470.1030.103
Percentage of PropertyPlantAndEquipmentGross11.310.913.513.513.413.213.413.815.412.312.713.415.615.920.236.026.933.356.9
Percentage of Assets0.00.00.10.30.20.20.20.20.10.10.10.10.10.10.20.20.10.11.2
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5.7996.5599.229.229.229.1958.9678.6597.2985.7334.7094.3053.5993.5942.9670.527
Percentage of PropertyPlantAndEquipmentGross72.974.366.666.666.366.465.865.663.562.759.961.359.964.058.327.3
Percentage of Assets0.30.30.41.21.11.00.80.70.60.40.50.40.30.30.60.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value4675000.04652000.07088000.06439000.05830000.05168000.04499000.03834000.03136000.02631000.02216000.01853000.01566000.01320000.01073000.0542000.0261000.0146000.095000.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.90.70.50.40.30.20.20.20.20.10.10.20.10.10.11.1

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value3280000.04173000.06755000.07404000.08077000.08684000.09126000.09365000.08363000.06513000.05643000.05168000.04445000.04295000.04013000.01893000.01443000.01560000.01388000.01049000.0959000.0865000.0286000.0249000.0285000.0269000.0163000.0134000.069000.086000.0
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.31.01.00.90.80.80.60.50.60.50.40.40.80.80.50.40.30.20.30.30.20.10.10.20.10.10.11.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-05-312020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value18192526272.3313335373841
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.23.63.40.03.43.13.02.82.70.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3599000.03392000.03341000.03427000.03415000.03694000.03793000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.50.40.40.3

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value2.9173.2853.6914.2892.3877.91155.0411213345.8798.3388.359.35136.0428.23125.2375.9574.545.1593.2465.1952.7822.4292.1571.8621.988
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.60.30.81.40.40.91.03.60.60.70.81.85.22.12.33.21.22.21.52.71.62.32.41.91.63.623.3

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value61515446535286785847514839294236262322171211106.4045.1645.5224.6872.8532.0690.327
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.12.52.56.36.45.58.06.54.53.35.54.63.52.78.014.78.96.75.53.94.53.85.43.12.34.83.62.14.03.8

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value7162675964701129078688654473751493231352218151510118.9457.7575.013.9312.315
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.63.03.18.17.87.410.37.66.04.89.05.24.23.49.819.811.09.18.75.16.75.38.14.94.87.76.03.67.627.1

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.3587.3068.6628.628.5771010
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.41.21.01.10.9

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value733000.0687000.0500000.0975000.01062000.01153000.0947000.0891000.0530000.03297000.0237000.0172000.0457000.0137000.0124000.03000.0112000.018000.04000.07000.029000.07000.031000.0181000.046000.0153000.025000.031000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.10.10.10.10.10.00.20.00.00.00.00.00.00.00.00.00.00.00.00.00.20.00.10.00.4

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value101000.0270000.0313000.0374000.0456000.0519000.0340000.0410000.0476000.03704000.03968000.03801000.03504000.02511000.01196000.0827000.0840000.0845000.0234000.082000.040000.014000.015000.022000.023000.023000.034000.040000.044000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.40.40.30.30.50.50.30.20.20.10.00.00.00.00.00.00.00.00.10.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value131519212224263133
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.92.92.72.62.52.62.5

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value8898000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.4
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value9105000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.4
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value5560000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.3
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value283738404144
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets1.33.43.23.12.90.0

us-gaap:OperatingLeaseLiability us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201602


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value283738404144
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets1.33.43.23.12.90.0
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.00.00.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value32
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.5
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value4125000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2
Percentage of Assets us-gaap:AccountingStandardsUpdate2016020.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-31
Value19292003207265773984994410811202131986298810771059475200260318368413257287173198217106121132-44.792-31.536-13.394-3.761
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets95.796.396.089.089.489.987.189.891.492.790.694.495.496.289.779.788.790.791.194.893.394.791.995.195.292.294.096.3-86.7-369.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.285-0.2360.4150.9461.709-0.7921.2951.7771.575-0.106-0.515-0.257-0.145-0.185-0.029-0.102
Percentage of StockholdersEquity-0.0-0.00.00.10.2-0.10.10.20.1-0.0-0.1-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.00.00.10.2-0.10.10.10.1-0.0-0.1-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302013-12-31
Value3170313731092669264526202587255424962446182717931760172410666883351881870.139
Percentage of StockholdersEquity164.3156.6150.1405.9357.5308.6273.9236.3207.6185.4211.7181.5163.3162.8224.2187.0192.9154.8141.0-0.4
Percentage of Assets157.3150.8144.0361.4319.8277.3238.6212.2189.8172.0191.8171.3155.8156.7201.2170.3177.3145.5135.81.6
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-30
Value0.0060.0060.0060.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.0040.0030.0030.003
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-1240.503-1133.258-1037.494-2012.389-1906.654-1770.307-1643.567-1474.914-1294.956-1126.735-963.329-804.941-682.023-665.045-590.447-320.327-161.34-66.845-31.675-13.394
Percentage of StockholdersEquity-64.3-56.6-50.1-306.0-257.7-208.5-174.0-136.4-107.7-85.4-111.6-81.4-63.3-62.8-124.2-86.9-92.9-54.8100.4100.0
Percentage of Assets-61.5-54.5-48.0-272.4-230.5-187.3-151.6-122.5-98.4-79.2-101.1-76.9-60.4-60.4-111.4-79.2-85.4-51.6-371.20.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.4-0.211-0.211-0.211-0.211-0.113-0.017
Percentage of StockholdersEquity-0.0-0.0-0.0-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6000.06000.06000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.05000.04000.04000.04000.04000.04000.03000.03000.03000.03000.03000.03000.03000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value3170313731092669264526202587255424962446182717931760172410667217076956886784834793353303261901880.139
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets157.3150.8144.0361.4319.8277.3238.6212.2189.8172.0191.8171.3155.8156.7201.2287.2241.2198.1170.3155.4175.5157.9177.3158.8142.8164.7145.51.6

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value-1240500000.0-1133300000.0-1037500000.0-2012400000.0-1906700000.0-1770300000.0-1643600000.0-1474900000.0-1295000000.0-1126700000.0-963330000.0-804940000.0-682020000.0-665040000.0-590450000.0-521020000.0-447310000.0-377100000.0-320330000.0-264430000.0-226630000.0-191880000.0-161340000.0-132780000.0-108740000.0-83716000.0-66845000.0-54484000.0-44792000.0-31675000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-61.5-54.5-48.0-272.4-230.5-187.3-151.6-122.5-98.4-79.2-101.1-76.9-60.4-60.4-111.4-207.5-152.4-107.4-79.2-60.6-82.2-63.2-85.4-63.7-47.6-72.5-51.6-39.5-86.7-371.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-285000.0-236000.0415000.0946000.01709000.0-792000.01295000.01777000.01575000.0-106000.0-515000.0-257000.0-145000.0-185000.0-29000.0-15000.0-67000.0-81000.0-102000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.00.00.10.2-0.10.10.10.1-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-09-30
Value27211924304334432528151.3260.691
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-09-30
Value27211924304334432528151.3260.691
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-102.769-109.0861010-91.016-118.984-136.691-116.726-128.702-133.344-149.934-101.778-80.187-0.135-78.571-58.899-46.092
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6255.00.091.1-5553.1-10926.0-5979.5-5955.4-3605.1-15274.2-32243.9-37281.30.0-0.10.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-288.388-658.8164513177206-17.916207-58.109-274.91380.052-238.13-312.801-104.60243
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-17552.50.04.1824.516288.59023.2-914.15820.1-6656.2-59120.414072.50.0-264.60.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.0655.6234193.5450.3863.162.16613155761.6288.0786.546433343.687
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues369.10.037.8216.335.4138.2110.5389.91757.5123913.1596.30.07.30.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-385.092-762.2791476-73.9585872-132.47692-176.11151-61.732-72.057-231.7252511711.466
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-23438.30.0133.1-4512.45398.03181.9-6759.02604.9-20173.032548.8-22612.50.0-257.50.00.00.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-0.368-0.406-0.5981.902-5.508-7.30710-7.149-1.299-20.50727-2.467-0.026-0.877-3.9146.989-2.125-4.6437.68-0.8251.74-0.7991.882-1.9522.4170.3430.4470.3790.086-0.4710.714-0.565
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-102.769-109.0861010-91.016-118.984-136.691-116.726-128.702-133.344-149.934-101.778-80.187-0.135-78.571-58.899-46.092
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6255.00.091.1-5553.1-10926.0-5979.5-5955.4-3605.1-15274.2-32243.9-37281.30.0-0.10.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-107.245-95.764974-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978-74.598-69.421-73.719-70.202-56.778-55.901-37.796-34.747-30.543-28.562-24.035-25.027-16.871-12.361-9.468-6.192-5.79-5.718-4.519-4.655
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.087.9-6451.2-12520.4-5544.2-8604.7-5040.8-19269.3-35141.1-58017.60.0-18.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-107.245-95.764-105.735-136.347-126.74-179.958-168.221-163.406-122.918-16.978-74.598
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.0-6451.2-12520.4-5544.2-5040.8-19269.3-35141.10.0-18.90.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-107.245-95.764974-105.735-136.347-126.74-168.653-179.958-168.221-163.406-158.388-122.918-16.978-74.598-69.422-73.719
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-6527.40.087.9-6451.2-12520.4-5544.2-8604.7-5040.8-19269.3-35141.1-58017.60.0-18.90.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value2721202024313043344431252915109.7319.356.208104.7484.4653.7144.0864.4075.3981.3491.3260.6910.3350.16
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-288.388-658.8164513177206-17.916207-58.109-274.91380.052-238.13-312.801-104.60243
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-17552.50.04.1824.516288.59023.2-914.15820.1-6656.2-59120.414072.50.0-264.60.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0-1000.070000.0276000.0373000.01940000.02181000.01257000.0808000.0998000.0402000.0652000.0804000.0235000.076000.0245000.0520000.066000.0494000.0341000.038000.0-21000.071000.0110000.045000.078000.02000.03000.000
Percentage of PaymentsToAcquirePropertyPlantAndEquipment0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6.0655.6234193.5450.3863.162.16613155761.6288.0786.546433343.687
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues369.10.037.8216.335.4138.2110.5389.91757.5123913.1596.30.07.30.00.00.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value86.2689.991.4192.5893.52102.2106.3109.56107.81103.2593.2290.0783.9974.1643.5840.3539.6435.2729.9928.7428.1627.5726.6725.5220.4916.677.014.052.780.51
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value376483308205135692812
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0

sage:AllocatedShareBasedCompensationExpenseIncludingRestructing

sage:AllocatedShareBasedCompensationExpenseIncludingRestructing


Allocated
Period End2020-09-302020-06-302019-09-302019-06-30
Value20244334
Percentage of AllocatedShareBasedCompensationExpenseIncludingRestructing100.0100.0100.0100.0

sage:CostOfSales

sage:CostOfSales


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value148000.0187000.0136000.0149000.0110000.0170000.0219000.0137000.044000.0
Percentage of CostOfSales100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value53000.044000.042000.043000.0-74000.025000.02688000.0164000.0108000.0-156000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent

sage:IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1447000.0-1498000.0-1631000.0-1592000.0-1705000.0-1897000.0-4512000.0-1951000.0-1954000.0-2344000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilitiesNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:IncreaseDecreaseInOperatingLeaseRightOfUseAsset

sage:IncreaseDecreaseInOperatingLeaseRightOfUseAsset


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1269000.0-1333000.0-1483000.0-1453000.0-1683000.0-1778000.0-1744000.0-1711000.0-1771000.0-2942000.0
Percentage of IncreaseDecreaseInOperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:LeaseAssetDeRecognizedUponLeaseCancellation

sage:LeaseAssetDeRecognizedUponLeaseCancellation


Lease
Period End2021-06-302021-03-312020-12-312020-09-30
Value03733000.000
Percentage of LeaseAssetDeRecognizedUponLeaseCancellation0.0100.00.00.0

sage:MilestonePayments us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

sage:MilestonePayments

sage:CydexLicenseAgreement, sage:ClinicalDevelopmentAndRegulatoryMilestone


Milestone
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value03600000.00002300000.00002300000.000800000.01500000.0
Percentage of MilestonePayments0.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0

sage:UniversityOfCaliforniaLicenseAgreements, sage:RegulatoryAndSalesMilestones


Milestone
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0300000.000300000.0000300000.0
Percentage of MilestonePayments0.08.30.00.013.00.00.00.013.0

sage:WashingtonUniversityLicenseAgreement, sage:ClinicalDevelopmentMilestones


Milestone
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value050000.000050000.000050000.000050000.0
Percentage of MilestonePayments0.01.40.00.00.02.20.00.00.02.20.00.00.03.3

sage:MilestonePaymentsRelatedToIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

sage:MilestonePaymentsRelatedToIntangibleAssets

sage:LicenseOne, sage:CydexLicenseAgreement, sage:RegulatoryMilestones


Milestone
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value3000000.000003000000.0
Percentage of MilestonePaymentsRelatedToIntangibleAssets100.00.00.00.00.0100.0

sage:MilestonePaymentsRelatedToIntangibleAssets us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

sage:CydexLicenseAgreement, sage:ClinicalDevelopmentAndRegulatoryMilestone


Milestone
Period End2020-09-302020-06-302020-03-312019-12-312019-09-30
Value003000000.000
Percentage of MilestonePaymentsRelatedToIntangibleAssets0.00.00.00.00.0

sage:UniversityOfCaliforniaLicenseAgreements, sage:RegulatoryAndSalesMilestones


Milestone
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0500000.000500000.0000500000.0
Percentage of MilestonePaymentsRelatedToIntangibleAssets0.00.00.00.00.00.00.00.016.7

sage:PremiumOnMarketableSecurities

sage:PremiumOnMarketableSecurities


Premium
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value7.4149.4590.670.5720.2540.241.0220.7651.1480.7390.050.090.0710.0040.0560.093
Percentage of PremiumOnMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:ProceedsFromIssuanceOrSaleOfEquityAndNotes us-gaap:ShortTermDebtType, us-gaap:StatementClassOfStock, us-gaap:SubsidiarySaleOfStock

sage:ProceedsFromIssuanceOrSaleOfEquityAndNotes

sage:ConvertibleNotes, us-gaap:RedeemableConvertiblePreferredStock, us-gaap:IPO


Proceeds
Period End2021-06-302021-03-31
Value0.02800
Percentage of ProceedsFromIssuanceOrSaleOfEquityAndNotes0.0100.0

sage:ProceedsFromRelatedParties us-gaap:SubsequentEventType, us-gaap:TypeOfArrangement

sage:ProceedsFromRelatedParties

us-gaap:SubsequentEvent, sage:BiogenCollaborationAgreement


Proceeds
Period End2021-07-31
Value24
Percentage of ProceedsFromRelatedParties100.0

sage:PurchasePriceForNewShareIssued us-gaap:TypeOfArrangement

sage:PurchasePriceForNewShareIssued

sage:BiogenCollaborationAgreement


Purchase
Period End2020-11-30
Value650
Percentage of PurchasePriceForNewShareIssued100.0

sage:ReimbursementIncome us-gaap:TypeOfArrangement

sage:ReimbursementIncome

sage:BiogenCollaborationAgreement


Reimbursement
Period End2021-03-31
Value24
Percentage of ReimbursementIncome100.0

sage:ReimbursementReductionsToExpense us-gaap:TypeOfArrangement

sage:ReimbursementReductionsToExpense

sage:BiogenCollaborationAgreement


Reimbursement
Period End2021-06-30
Value23
Percentage of ReimbursementReductionsToExpense100.0

sage:ResearchAndDevelopmentExpenseRelatedToMilestonePayment us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersByType, us-gaap:TypeOfArrangement

sage:ResearchAndDevelopmentExpenseRelatedToMilestonePayment

sage:CydexLicenseAgreement, sage:ClinicalDevelopmentAndRegulatoryMilestone


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value03600000.00002300000.00002300000.000800000.01500000.0
Percentage of ResearchAndDevelopmentExpenseRelatedToMilestonePayment0.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0

sage:UniversityOfCaliforniaLicenseAgreements, sage:RegulatoryAndSalesMilestones


Research
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0300000.000300000.0000300000.0
Percentage of ResearchAndDevelopmentExpenseRelatedToMilestonePayment0.08.30.00.013.00.00.00.013.0

sage:WashingtonUniversityLicenseAgreement, sage:ClinicalDevelopmentMilestones


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value050000.000050000.000050000.000050000.0
Percentage of ResearchAndDevelopmentExpenseRelatedToMilestonePayment0.01.40.00.00.02.20.00.00.02.20.00.00.03.3

sage:StockOptionModificationAsPartOfRestructuring

sage:StockOptionModificationAsPartOfRestructuring


Stock
Period End2020-09-302020-06-30
Value01788000.0
Percentage of StockOptionModificationAsPartOfRestructuring0.0100.0

sage:UpFrontPayment us-gaap:TypeOfArrangement

sage:UpFrontPayment

sage:BiogenCollaborationAgreement


Up
Period End2020-11-30
Value875
Percentage of UpFrontPayment100.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease


Accumulated
Period End2021-06-302021-03-31
Value0-1800000.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease0.0100.0

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease us-gaap:PropertyPlantAndEquipmentByType

sage:MultiTenantBuildingUnderOperatingLease


Accumulated
Period End2021-06-302021-03-31
Value0-1200000.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease0.066.7

sage:SubleaseMultiTenantBuildingUnderOperatingLease


Accumulated
Period End2021-06-30
Value-400000.0
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease0.0

us-gaap:DeferredRevenueAdditions

us-gaap:DeferredRevenueAdditions


Deferred
Period End2021-03-31
Value606
Percentage of DeferredRevenueAdditions100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value900000.02582000.0649000.0700000.0700000.0669000.0665000.0700000.0500000.0415000.0363000.0300000.0200000.0247000.0135000.0136000.0130000.0130000.082000.083000.075000.041000.032000.029000.032000.022000.016000.0
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivableRelatedParties

us-gaap:IncreaseDecreaseInAccountsReceivableRelatedParties


Increase
Period End2021-06-302021-03-31
Value2324
Percentage of IncreaseDecreaseInAccountsReceivableRelatedParties100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value10-4.148.025-6.11.309-35.3918.3121914-8.1922.9259.4510-12.465.684102.5111.225.8464.920.9371.3413.7431.3650.0350.261
Percentage of IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value207000.051000.0-86000.012000.0-279000.0-99000.0-25000.0-205000.02645000.01378000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value5.7630.262-7.5261.4853.383-1.221-3.7133.3926.739-1.6373.191-12.82195.3481.335-0.301-1.2871.381.6821.606-1.1151.189-0.867-0.6712.0850.134-0.0070.2870.3830.0520.0060.278
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-3363000.0-1325000.0-420000.0-324000.0-322000.018000.0537000.01456000.02651000.02322000.02991000.02747000.02806000.01348000.0236000.062000.028000.0-33000.0-199000.0
Percentage of InvestmentIncomeNetAmortizationOfDiscountAndPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-49000.0-651000.0-763000.02501000.0-2087000.0202000.01681000.0409000.0-112000.040000.0-156000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-49000.0-651000.0-763000.02501000.0-2087000.0202000.01681000.0409000.0-112000.040000.0-156000.0
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-49000.0-651000.0-531000.0-763000.02501000.0-2087000.0-482000.0202000.01681000.0409000.0-258000.0-112000.040000.0-156000.0-14000.052000.014000.021000.0-67000.0-74000.039000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2020-12-31
Value1.023
Percentage of PaymentsForRestructuring100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value466841891571436823015933758021145941939415059151814035
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromCollaborators

us-gaap:ProceedsFromCollaborators


Proceeds
Period End2021-06-302021-03-31
Value0.01000
Percentage of ProceedsFromCollaborators0.0100.0

us-gaap:ProceedsFromIssuanceOfPrivatePlacement us-gaap:RelatedPartyTransactionsByRelatedParty, us-gaap:SubsidiarySaleOfStock

us-gaap:ProceedsFromIssuanceOfPrivatePlacement

sage:Biogen, us-gaap:PrivatePlacement


Proceeds
Period End2020-12-31
Value650
Percentage of ProceedsFromIssuanceOfPrivatePlacement100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value6.8615.6232.1713.5450.3863.162.1661515151.6288.0786.645128.9743.6872.7580.5530.6780.4160.010.3020.0670.2270.2890.1470.001
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1771821351703202752133692813072504601818146104595022
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease

us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease


Property
Period End2021-06-302021-03-31
Value0-1800000.0
Percentage of PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease0.0100.0

us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease us-gaap:PropertyPlantAndEquipmentByType

sage:MultiTenantBuildingUnderOperatingLease


Property
Period End2021-06-302021-03-31
Value0-3300000.0
Percentage of PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease0.0183.3

sage:SubleaseMultiTenantBuildingUnderOperatingLease


Property
Period End2021-06-30
Value-900000.0
Percentage of PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease0.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2020-12-312020-09-302020-06-30
Value-0.13-0.52928
Percentage of RestructuringCharges100.0100.0100.0

us-gaap:RestructuringReserveSettledWithoutCash2

us-gaap:RestructuringReserveSettledWithoutCash2


Restructuring
Period End2020-12-31
Value0
Percentage of RestructuringReserveSettledWithoutCash20.0

us-gaap:SaleOfStockConsiderationReceivedOnTransaction us-gaap:TypeOfArrangement

us-gaap:SaleOfStockConsiderationReceivedOnTransaction

sage:BiogenCollaborationAgreement


Sale
Period End2020-11-30
Value1500
Percentage of SaleOfStockConsiderationReceivedOnTransaction100.0

us-gaap:SeveranceCosts1 us-gaap:RestructuringCostAndReserve

us-gaap:SeveranceCosts1

us-gaap:EmployeeSeverance


Severance
Period End2020-12-31
Value-0.2
Percentage of SeveranceCosts1100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue


Share
Period End2021-06-30
Value8.8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue us-gaap:AwardType

sage:PerformanceRestrictedStockUnits


Share
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value6.10.00.00.0110.00.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue69.30.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.32.21.20.50.30.13.92760265.3281647634.15.24.82.00.30.91.40.2168.259181.7560.0462.370.00.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-0.4254.930.49-0.12-9.2846.44-17.10.380.8898.23-3.2-1.6-11.08125.81.510.815.0134.611.651.090.3621.870.64-8.243.438.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value-12.3658.343.43
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value-0.82139.010.59
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-31
Value-0.684.430.8
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2020-12-312020-06-302018-09-302018-06-302018-03-312017-03-31
Value00.25000.50.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.00.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2020-12-312020-06-302018-09-302018-06-302018-03-312017-03-31
Value00.75000.50.5
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0300.00.00.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value936000.02144000.02793000.03946000.01799000.01579000.01127000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value936000.02144000.02793000.03946000.01799000.01579000.01127000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross


Stock
Period End2021-06-302019-09-302019-03-312018-03-312014-12-312014-09-30
Value-796000.0-1483000.0-692000.0-904000.04000.05000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302019-09-302019-03-312018-03-312014-12-312014-09-30
Value-796000.0-1483000.0-692000.0-904000.04000.05000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-09-30
Value6.8614.6872.1570.3870.3671215147.0146.643110.0010.037
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312014-12-312014-09-30
Value6.8614.6872.1570.3870.3671215147.0146.643110.0010.037
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

sage:AccruedResearchAndDevelopmentCosts

sage:AccruedResearchAndDevelopmentCosts


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4339342927364621
Percentage of AccruedResearchAndDevelopmentCosts100.0100.0100.0100.0100.0100.0100.0100.0

sage:AccruedRestructuringExpenses

sage:AccruedRestructuringExpenses


Accrued
Period End2020-12-312020-09-30
Value203000.01356000.0
Percentage of AccruedRestructuringExpenses100.0100.0

sage:DeferredTaxAssetsCapitalizedStartUpCosts

sage:DeferredTaxAssetsCapitalizedStartUpCosts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value873000.0982000.01242000.01362000.02155000.02335000.02514000.02694000.0
Percentage of DeferredTaxAssetsCapitalizedStartUpCosts100.0100.0100.0100.0100.0100.0100.0100.0

sage:DeferredTaxAssetsRightOfUseAsset

sage:DeferredTaxAssetsRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value-5981000.0-8059000.0
Percentage of DeferredTaxAssetsRightOfUseAsset100.0100.0

sage:DeferredTaxAssetsStockOptions

sage:DeferredTaxAssetsStockOptions


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value56463013125.0970.623
Percentage of DeferredTaxAssetsStockOptions100.0100.0100.0100.0100.0100.0100.0

sage:LossOnMarketableSecuritiesHeldToMaturityFairValue

sage:LossOnMarketableSecuritiesHeldToMaturityFairValue


Loss
Period End2021-03-31
Value219
Percentage of LossOnMarketableSecuritiesHeldToMaturityFairValue100.0

sage:LossOnMarketableSecuritiesHeldToMaturityFairValue us-gaap:EquitySecuritiesByInvestmentObjective, us-gaap:InvestmentType

us-gaap:USTreasuryBondSecurities, us-gaap:CorporateBondSecurities


Loss
Period End2021-06-30
Value368
Percentage of LossOnMarketableSecuritiesHeldToMaturityFairValue0.0

sage:LossOnMarketableSecuritiesHeldToMaturityFairValue us-gaap:InvestmentType

us-gaap:CorporateBondSecurities


Loss
Period End2020-09-30
Value4.0
Percentage of LossOnMarketableSecuritiesHeldToMaturityFairValue0.0

sage:MarketableSecuritiesHeldToMaturityFairValue

sage:MarketableSecuritiesHeldToMaturityFairValue


Marketable
Period End2021-03-312020-12-312020-09-302019-12-312018-12-31
Value2395.1181375.9
Percentage of MarketableSecuritiesHeldToMaturityFairValue100.0100.0100.0100.0100.0

sage:MarketableSecuritiesHeldToMaturityFairValue us-gaap:EquitySecuritiesByInvestmentObjective, us-gaap:InvestmentType

us-gaap:USTreasuryBondSecurities, us-gaap:CorporateBondSecurities


Marketable
Period End2021-06-302020-12-31
Value4115.1
Percentage of MarketableSecuritiesHeldToMaturityFairValue0.0100.0

sage:MarketableSecuritiesHeldToMaturityFairValue us-gaap:InvestmentType

us-gaap:CorporateBondSecurities


Marketable
Period End2020-12-31
Value5.1
Percentage of MarketableSecuritiesHeldToMaturityFairValue100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccountsReceivableRelatedPartiesCurrent


Accounts
Period End2021-06-302021-03-31
Value4824
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent us-gaap:TypeOfArrangement

sage:BiogenCollaborationAgreement


Accounts
Period End2021-06-302021-03-31
Value4824
Percentage of AccountsReceivableRelatedPartiesCurrent99.9100.1

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent us-gaap:PlanName

us-gaap:AccruedLiabilitiesCurrentAndNoncurrent

sage:TwoThousandFourteenEmployeeStockPurchasePlan


Accrued
Period End2020-12-31
Value300000.0
Percentage of AccruedLiabilitiesCurrentAndNoncurrent100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value9.4387.8175.1846.0455.5997.7891617141110126.1955.7813.1663.1792.7922.7151.7511.2250.7380.6090.9350.7560.8030.4320.5740.4710.210.19
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1911200420996687568721008112212361351922102110921083518243285342397
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-31
Value506816163718425816965259166342190253325557306134133145168299186
Percentage of AssetsFairValueDisclosure26.540.778.027.634.119.46.523.113.425.320.724.829.851.559.055.446.742.542.40.00.0

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value14051187461484498703942863107010087317687665252121081521972280.00.00.00.00.00.00.0
Percentage of AssetsFairValueDisclosure73.559.322.072.465.980.693.576.986.674.779.375.270.248.541.044.653.357.557.60.00.00.00.00.00.00.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302016-06-30
Value161000.0222000.0451000.0978000.01807000.01306000.01449000.01866000.01679000.0252000.030000.070000.06000.01000.02000.01000.02000.017000.047000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:InvestmentType

sage:InternationalCommercialPaper


Available
Period End2021-06-302019-12-312019-09-302018-12-312018-09-30
Value3000.05000.011000.08000.030000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.90.30.626.742.9

sage:InternationalCorporateBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-30
Value51000.070000.0200000.0391000.0607000.0180000.0457000.0557000.0434000.042000.01000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax31.731.544.340.033.613.831.529.825.816.71.4

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2000.04000.01000.014000.014000.036000.01000.05000.08000.034000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.21.80.10.81.01.90.12.026.748.6

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value99000.0118000.0240000.0514000.0939000.0415000.0797000.01045000.0942000.0119000.06000.05000.01000.01000.02000.01000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax61.553.253.252.652.031.855.056.056.147.220.07.116.7100.0100.0100.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-06-302016-12-312016-09-302016-06-30
Value6000.030000.011000.072000.0247000.0711000.0176000.0217000.0302000.086000.08000.05000.02000.013000.029000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax3.713.52.47.413.754.412.111.618.034.126.783.3100.076.561.7

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value446000.0458000.036000.032000.098000.02098000.0154000.089000.0104000.0358000.0545000.0327000.0151000.0186000.031000.016000.067000.081000.0104000.052000.08000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:InvestmentType

sage:InternationalCommercialPaper


Available
Period End2021-06-302021-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5000.011000.02000.01000.07000.013000.011000.05000.011000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1.12.41.31.02.02.43.43.35.9

sage:InternationalCorporateBonds


Available
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-31
Value130000.0148000.09000.027000.0662000.027000.018000.026000.096000.0132000.060000.015000.05000.022000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax29.132.325.027.631.617.520.225.026.824.218.39.96.221.2

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4000.011000.02000.03000.026000.05000.07000.053000.027000.019000.06000.014000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.92.46.23.11.23.26.714.85.05.84.07.5

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value229000.0282000.015000.015000.062000.01410000.0100000.066000.068000.0189000.0316000.0106000.092000.0100000.025000.05000.011000.020000.056000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax51.361.641.746.963.367.264.974.265.452.858.032.460.953.880.631.216.424.753.8

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value78000.06000.012000.015000.06000.020000.05000.02000.013000.057000.0131000.033000.061000.06000.011000.056000.056000.026000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax17.51.333.346.96.113.05.61.93.610.540.121.932.819.468.883.669.125.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value139711054384834966748808611068100973276876652621210815219722911183
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:InvestmentType

sage:InternationalCommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value21621251293020514846110961381932244829122815
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis15.519.211.76.26.23.15.85.64.311.013.218.125.242.722.827.28.214.77.0

sage:InternationalCorporateBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-12-31
Value2592025765891161421571471557889266.01524
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis18.518.413.113.518.117.316.218.313.815.410.711.73.53.97.710.6

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1531704540242752531071087710321115165242721302222
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis11.015.510.58.55.04.15.96.210.010.810.613.527.528.730.822.817.811.113.320.226.9

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value521346122174200363429394477386258152110604816303958
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis37.331.328.136.140.353.948.745.844.738.335.319.914.411.523.015.020.219.825.5

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value24717316017215014520520729024822028322589493876921002432
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis17.715.736.735.730.321.523.324.127.224.630.136.929.417.023.335.049.846.743.721.638.5

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value139711044384844986738818631070100873176876652521210815219722811183
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent us-gaap:InvestmentType

sage:InternationalCommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value21621251293020514846110961381932244829122815
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent15.519.211.76.26.23.15.85.64.311.013.218.125.242.722.827.28.214.77.0

sage:InternationalCorporateBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-12-31
Value2592025765901161421571471557889266.01524
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent18.518.413.213.618.217.316.218.313.815.410.711.73.53.97.710.6

us-gaap:CommercialPaper


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1531704540242752531071087710321115165242721302222
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent11.015.510.58.55.04.15.96.210.010.710.613.527.528.730.822.817.911.113.320.226.9

us-gaap:CorporateBondSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value521345123174201362429395478386258152110604816303958
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent37.331.328.136.140.453.848.845.944.738.335.319.914.411.523.015.020.219.825.5

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value24717316017215014520520729024822028322589493775911002432
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent17.715.736.635.730.321.723.324.027.124.630.136.929.417.023.335.049.846.743.721.638.5

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndCashEquivalentsFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value5148991661184258199126259166342190253325557306134133145168
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents

us-gaap:CashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5148991661184258199126259166342190253325557306168
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:CashEquivalents, us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value506816163718425816965259166342190253325557306168
Percentage of CashAndCashEquivalentsFairValueDisclosure98.590.898.6100.0100.084.951.6100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalents, us-gaap:FairValueInputsLevel2


Cash
Period End2021-06-302021-03-312020-12-312020-03-312019-12-31
Value7.96282233061
Percentage of CashAndCashEquivalentsFairValueDisclosure1.59.21.415.148.4

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value506816163718425816965259166342190253325557306134133145168
Percentage of CashAndCashEquivalentsFairValueDisclosure98.590.898.6100.0100.084.951.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2


Cash
Period End2021-06-302021-03-312020-12-312020-03-312019-12-31
Value7.96282233061
Percentage of CashAndCashEquivalentsFairValueDisclosure1.59.21.415.148.4

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value5159001662186260201129261168344193255327558307169
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value376483308205135692812
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value2223482061318444219.401
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-31
Value41
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DomesticCountry


Deferred
Period End2020-12-31
Value886
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-31
Value438
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value148000.0-246000.0568000.01090000.0350000.021000.020000.021000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value1614000.02002000.01001000.0685000.0999000.0716000.0332000.0239000.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value9080635433174.4330.369
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsResearch

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value403420124.11.60.663
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch100.0100.0100.0100.0100.0100.0100.0

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value9.47.44.12.31.60.70.326
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsResearch23.121.620.218.139.043.849.2

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value3157000.04055000.04498000.03057000.02287000.01062000.0494000.015000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value6705000.08852000.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value8.2833.64149.1477.5647.2032217158.67619139.254.462156.2994.1422.1455.9483.012.0730.982.7181.5451.2940.6191.2790.8370.6740.049
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

sage:PerformanceRestrictedStockUnits


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value67855861636152
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOption


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1341521201431642642832853103422822912741729490826243403939312923179.70562924.953
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized199.7178.4207.0233.4258.2427.2538.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PerformanceShares


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2626202928343535354950585846161314145.28.59.1
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized38.731.435.447.245.155.267.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InvestmentsFairValueDisclosure

us-gaap:InvestmentsFairValueDisclosure


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1397110443848449867388186310701008731768766525212108152197228
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1397110443848449867388186310701008731768766525212108152197228
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel2, sage:InternationalCommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value21621251293020514846110961381932244829122815
Percentage of InvestmentsFairValueDisclosure15.519.211.76.26.23.15.85.64.311.013.218.125.242.722.827.28.214.77.0

us-gaap:FairValueInputsLevel2, sage:InternationalCorporateBonds


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-12-31
Value2592025765901161421571471557889266.01524
Percentage of InvestmentsFairValueDisclosure18.518.413.213.618.217.316.218.313.815.410.711.73.53.97.710.6

us-gaap:FairValueInputsLevel2, us-gaap:CommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value153170454024275253107108771032111516524272130
Percentage of InvestmentsFairValueDisclosure11.015.510.58.55.04.15.96.210.010.710.613.527.528.730.822.817.911.113.3

us-gaap:FairValueInputsLevel2, us-gaap:CorporateBondSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value521345123174201362429395478386258152110604816303958
Percentage of InvestmentsFairValueDisclosure37.331.328.136.140.453.848.845.944.738.335.319.914.411.523.015.020.219.825.5

us-gaap:FairValueInputsLevel2, us-gaap:USTreasurySecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2471731601721501452052072902482202832258949377591100
Percentage of InvestmentsFairValueDisclosure17.715.736.635.730.321.723.324.027.124.630.136.929.417.023.335.049.846.743.7

us-gaap:InvestmentsFairValueDisclosure us-gaap:InvestmentType

sage:InternationalCommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value21621251293020514846110961381932244829122815
Percentage of InvestmentsFairValueDisclosure15.519.211.76.26.23.15.85.64.311.013.218.125.242.722.827.28.214.77.0

sage:InternationalCorporateBonds


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-06-302017-03-312016-12-31
Value2592025765901161421571471557889266.01524
Percentage of InvestmentsFairValueDisclosure18.518.413.213.618.217.316.218.313.815.410.711.73.53.97.710.6

us-gaap:CommercialPaper


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value153170454024275253107108771032111516524272130
Percentage of InvestmentsFairValueDisclosure11.015.510.58.55.04.15.96.210.010.710.613.527.528.730.822.817.911.113.3

us-gaap:CorporateBondSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value521345123174201362429395478386258152110604816303958
Percentage of InvestmentsFairValueDisclosure37.331.328.136.140.453.848.845.944.738.335.319.914.411.523.015.020.219.825.5

us-gaap:USTreasurySecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2471731601721501452052072902482202832258949377591100
Percentage of InvestmentsFairValueDisclosure17.715.736.635.730.321.723.324.027.124.630.136.929.417.023.335.049.846.743.7

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:AccountingStandardsUpdate201602


Lessee
Period End2020-12-31
Value8662000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-31
Value7.5
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0

us-gaap:PropertyPlantAndEquipmentSalvageValue us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentSalvageValue

sage:SubleaseMultiTenantBuildingUnderOperatingLease


Property
Period End2021-06-30
Value500000.0
Percentage of PropertyPlantAndEquipmentSalvageValue100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1269000.01269000.01716000.02367000.02367000.02367000.02367000.02367000.02367000.02367000.02367000.01919000.01269000.01269000.0849000.0849000.0849000.0564000.0564000.0564000.0564000.039000.039000.039000.039000.039000.039000.039000.039000.039000.0
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2020-12-312020-09-30
Value203000.01356000.0
Percentage of RestructuringReserve100.0100.0

us-gaap:RevenueRemainingPerformanceObligation us-gaap:TypeOfArrangement

us-gaap:RevenueRemainingPerformanceObligation

sage:BiogenCollaborationAgreement


Revenue
Period End2020-12-31
Value1100
Percentage of RevenueRemainingPerformanceObligation100.0

us-gaap:SaleOfStockPricePerShare us-gaap:TypeOfArrangement

us-gaap:SaleOfStockPricePerShare

sage:BiogenStockPurchaseAgreement


Sale
Period End2020-12-31
Value104.14
Percentage of SaleOfStockPricePerShare100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value83.1390.189.5188.63
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value5011416769187.0838732760049922745957560867614023919592763438965513993590.049763281.038
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value153
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value90.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-30
Value438612053
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxCreditCarryforwardAmount


Tax
Period End2020-12-31
Value42
Percentage of TaxCreditCarryforwardAmount100.0

us-gaap:TreasuryStockCommonValue

us-gaap:TreasuryStockCommonValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value400000.0400000.0400000.0400000.0400000.0400000.0400000.0400000.0400000.0400000.0211000.0211000.0211000.0211000.0113000.017000.017000.017000.017000.0
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType
(None,)
Allocated Share Based Compensation Expenseus-gaap: Award Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components