GBT


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:InterestExpenseDebt

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ReceivablesNetCurrent

us-gaap:InventoryNet

us-gaap:InventoryFinishedGoods

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:LeaseContractualTerm

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:OperatingLeaseLiability
us-gaap:LeaseContractualTerm

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation
us-gaap:AwardType

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

gbt:AccretionOfPaydownFee

gbt:AccruedIssuanceCostsIncurredDuringNonCashOrPartialNonCashTransaction

gbt:AccruedPurchasesOfPropertyAndEquipment

gbt:CapitalizedDepreciationExpenses

gbt:DebtPaydownFee

gbt:IncreaseDecreaseInOperatingLeaseLiabilities

gbt:LeaseholdImprovementPaidForByLandlord

gbt:LongTermDebtDiscountOnNotesPayable

gbt:OperatingLeaseRightOfUseAssetAmortization

gbt:OtherNonoperatingExpensesNet
us-gaap:LongtermDebtType
gbt:PaymentsOfOtherDebtIssuanceCosts

gbt:ProceedsFromExerciseOfStockOptionsAndESPP

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains
us-gaap:CashAndCashEquivalents
us-gaap:FinancialInstrument
us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:MarketableSecuritiesUnrealizedGainLoss
us-gaap:StatementEquityComponents

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:OperatingLeaseCost
us-gaap:AdjustmentsForNewAccountingPronouncements
us-gaap:OperatingLeasePaymentsUse

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:PaymentsOfDebtIssuanceCosts
us-gaap:LongtermDebtType

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentAdditions

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:VariableLeaseCost

gbt:AccruedManufacturingExpensesCurrent

gbt:AccruedResearchAndDevelopmentCostsCurrent

gbt:AccuredSalesDeductionsCurrent
gbt:MilestonePaymentType, us-gaap:CounterpartyName
gbt:ContingentPaymentMilestoneAdditionalObligations
us-gaap:CounterpartyName
gbt:MilestonePaymentType, us-gaap:CounterpartyName
gbt:ContingentPaymentMilestonePaymentsObligations
us-gaap:Range, us-gaap:LongtermDebtType
gbt:DebtInstrumentPrepaymentFeePercentage

gbt:DeferredTaxAssetsValuationAllowancePercentage

gbt:Deferredtaxassetsoperatingleaserightofuseasset
us-gaap:CounterpartyName
gbt:FundsForPreclinicalResearchPayable

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestRemainderOfFiscalYear
us-gaap:CounterpartyName
gbt:PayablesForExerciseOfOptions
us-gaap:CounterpartyName
gbt:RepaymentOfResearchAndDevelopmentCost

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AvailableForSaleSecuritiesAmortizedCost
us-gaap:CashAndCashEquivalents
us-gaap:FinancialInstrument
us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:CashAndCashEquivalents
us-gaap:FinancialInstrument
us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:AvailableForSaleSecuritiesNoncurrent
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:CreditFacility
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:InventoryRawMaterials

us-gaap:InventoryWorkInProcess
us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:AdjustmentsForNewAccountingPronouncements
gbt:OperatingLossExpiryPeriod, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OtherInventoryCapitalizedCosts

us-gaap:PrepaidExpenseCurrent

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashCurrent
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType, us-gaap:Vesting
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:Vesting
us-gaap:AwardType
us-gaap:SharePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

Plots across concepts


IncomeStatement
Net Income Loss
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Available For Sale Securities Current
NonCurrent Assets
Other Assets Noncurrent
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Liabilities Current
Current Liabilities
Other Accrued Liabilities Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Property Plant And Equipment
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
InventoryNet
Inventory Finished Goods

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:CommonStockValue ███▁▁▁▁0.0620.0620.0620.0610.0610.0610.061
us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted █▁62.31241862.10107NA61.57387761.11670760.78771NA
us-gaap:EarningsPerShareBasicAndDiluted ▆▅▇▇█▅▁-1.12-1.21-1.0-0.97-0.86-1.2-1.59
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:AllocatedShareBasedCompensationExpense ██▇▇▅▄▁19.9719.94819.37719.16216.57116.36712.797
us-gaap:ComprehensiveIncomeNetOfTax ▅▄▆▇█▅▁-69.411-75.111-62.223-60.388-52.828-72.565-96.199
us-gaap:CostOfGoodsAndServicesSold ▆▅█▄▃▁0.7480.5840.9610.5130.3770.135NA
us-gaap:CostsAndExpenses █▇▅▄▁▂▅113.625110.407100.66995.283.53787.57101.324
us-gaap:InterestExpenseDebt ▁█▅-3.37445.56322.782NANANANA
us-gaap:InterestPaidNet ██▁▃▃▃3.4133.3751.1391.7251.7131.706NA
us-gaap:NetIncomeLoss ▅▄▇▇█▅▁-69.592-74.93-61.806-59.881-52.84-73.026-95.975
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-69.592-74.93NA-59.881-52.84-73.026NA
us-gaap:OperatingIncomeLoss ▆▅▇▇█▅▁-66.07-71.364-59.373-58.311-52.036-73.452-99.214
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax 0.259NANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▁▁▂▃▄▅█-3.522-3.566-2.432-1.57-0.8040.4263.241
us-gaap:ResearchAndDevelopmentExpense ▅▅▃▂▁▂█51.78450.85741.06840.19634.08539.77364.992
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax █▇▇▆▆▃▁47.55539.04341.29536.88931.50114.1182.108
us-gaap:Revenues NANA41.29536.88931.50114.1182.108
us-gaap:SellingGeneralAndAdministrativeExpense █▇▇▅▃▂▁61.09358.96659.62454.49149.07547.66244.585
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:Assets ▁▂▅▄▅▆█614.972649.898724.002691.264721.667741.146796.099
us-gaap:Liabilities ▇▆█▂▂▁▁299.206286.703307.845233.609225.851217.574217.405
us-gaap:LiabilitiesAndStockholdersEquity ▁▂▅▄▅▆█614.972649.898724.002691.264721.667741.146796.099
us-gaap:StockholdersEquity ▁▂▄▅▆▇█315.766363.195416.157457.655495.816523.572578.694
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:AssetsCurrent ▁▃█▆▆▄█524.859558.132632.163594.664594.033564.469627.997
us-gaap:CashAndCashEquivalentsAtCarryingValue ▅▆█▅▄▁▁419.311445.31494.766418.402384.716315.525302.237
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▆█▅▄▁▁421.706447.73497.202420.819387.111317.92304.632
us-gaap:ReceivablesNetCurrent █▇▇▆▅▂▁19.54418.26517.514.1312.4714.5782.637
us-gaap:InventoryNet █▇▇▆▅▃▁47.99142.26740.22333.80827.33414.9271.277
us-gaap:InventoryFinishedGoods ▇█▆▄▄▂▁2.5892.9791.9561.411.5070.5690.052
us-gaap:PrepaidExpenseAndOtherAssetsCurrent █▆▁▆▆▆▂19.92815.5540.94914.80113.49814.1444.692
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:PropertyPlantAndEquipmentGross ▄▄▃▃▃█▁49.62749.35747.74347.19146.95856.1643.612
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▄▃▃▂▁█▇12.85211.3079.8618.4947.2918.83116.499
us-gaap:PropertyPlantAndEquipmentNet ▆▇▇▇█▇▁36.77538.0537.88238.69739.66837.32927.113
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▄▅▆▇█49.42150.08550.72251.33751.5852.08252.775
us-gaap:OtherAssetsNoncurrent █▆▃▄▁▁▃1.5221.2110.7990.8740.5120.4930.789
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:AccountsPayableCurrent ▃▃█▂▁▅▄9.19810.37619.0787.8825.6913.69610.621
us-gaap:AccruedLiabilitiesCurrent ▅▁▂█▇▃▆38.90428.84531.13347.46643.73334.56241.358
us-gaap:LiabilitiesCurrent ▆▁██▅▂▅72.67558.96779.03277.94669.40262.24871.453
us-gaap:OperatingLeaseLiabilityCurrent ██▇▇▄▃▁5.2435.0374.8364.6453.4862.6911.866
us-gaap:OtherAccruedLiabilitiesCurrent ▂▂▂██▁▁0.8890.8840.8194.4664.4150.4830.319
us-gaap:OtherLiabilitiesCurrent NANA4.8364.6453.5162.7211.896
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:LongTermDebt ███▁195.189198.563201.938102.656NANANA
us-gaap:LongTermDebtNoncurrent ███▁▁▁▁149.268149.052148.81573.8873.77573.68873.559
us-gaap:OtherLiabilitiesNoncurrent ▂▂▂█▁0.8220.8220.8221.3440.771NA0.034
us-gaap:OperatingLeaseLiabilityNoncurrent ▄▅▆▇██▁76.44177.86279.17680.43981.90381.63872.359
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ██▁▁12.58412.58412.22212.222NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ██▁▁12.94812.94812.58412.584NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ██▁▁13.36813.36812.94812.948NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:StockholdersEquity ▁▂▄▅▆▇█315.766363.195416.157457.655495.816523.572578.694
us-gaap:CommonStockValue ███▁▁▁▁0.0620.0620.0620.0610.0610.0610.061
us-gaap:AdditionalPaidInCapital █▇▆▄▃▂▁1446.3931424.4111402.2621381.5371359.311334.2381316.795
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▄▅▆▇█-1130.991-1061.399-986.469-924.663-864.782-811.942-738.916
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▂▁▂▅██▅0.3020.1210.3020.721.2271.2150.754
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁21.64420.378NA19.63917.12816.705NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▁▇█▇▁▄-44.321-79.256-45.066-40.693-47.481-78.622-62.337
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▃▅█▇▁17.74628.00445.6171.818108.75891.12620.63
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁█▁▂▁█0.2921.7875.8392.5837.9140.78476.34
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:DepreciationDepletionAndAmortization ▂▁▁▁█▄▄1.5041.4041.3981.3483.3392.2382.311
us-gaap:IncreaseDecreaseInAccountsReceivable ▂▁▄▂█▂1.2790.7653.371.6597.8931.941NA
us-gaap:IncreaseDecreaseInInventories ▃▁▄▄▇█5.2721.5695.9265.92711.70813.218NA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▁▇█▇▁▄-44.321-79.256-45.066-40.693-47.481-78.622-62.337
us-gaap:NetIncomeLoss ▅▄▇▇█▅▁-69.592-74.93-61.806-59.881-52.84-73.026-95.975
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings█▁-69.592-74.93NA-59.881-52.84-73.026NA
us-gaap:ShareBasedCompensation █▇▆▆▄▄▁21.23619.94819.37719.16216.57116.36712.797
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁▂▃▅█▇▁17.74628.00445.6171.818108.75891.12620.63
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂█▁▃▅▄0.791.134.5640.2721.3942.5242.262
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁█▁▂▁█0.2921.7875.8392.5837.9140.78476.34
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value62000.062000.062000.061000.061000.061000.061000.060000.060000.056000.056000.052000.052000.052000.046000.043000.043000.043000.037000.037000.036000.030000.029000.029000.03000.02000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Share Outstanding Basic And Diluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-30
Value6262616160605656525147434339363029172.2187462.0528741.6980661.594962
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic And Diluted

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EarningsPerShareBasicAndDiluted


Earnings
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
Value-1.12-1.21-1.0-0.97-0.86-1.2-1.59-1.07-1.01-0.87-0.93-0.83-0.78-0.87-0.94-0.66-0.55-0.6-0.74-0.58-0.58-0.56-0.53-0.9-4.84-4.22-3.27-3.53-3.68-3.81
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1919191916161212109.4537.5286.9687.87.7844.7413.7072.662.5743.3513.1521.4651.2671.4920.8740.5350.3220.1680.0860.058
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax42.051.146.951.952.6115.9607.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1413117.5047.3446.2335.434.3684.1334.0164.8162.9132.1431.221.5011.7052.0170.9640.7220.6930.3470.0950.0570.0440.0350.015
Percentage of AllocatedShareBasedCompensationExpense77.979.367.358.659.056.957.458.059.351.561.961.457.845.958.350.964.065.857.046.439.717.817.726.240.725.9
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax40.541.778.0356.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value4.9064.8795.0474.2343.435.355.2935.1094.7154.0233.162.8353.7842.9681.8281.5641.441.0731.6461.1350.5010.5450.7990.5270.440.2650.1240.0510.043
Percentage of AllocatedShareBasedCompensationExpense24.624.526.022.120.732.741.441.043.142.642.040.748.538.138.642.254.141.749.136.034.243.053.660.382.282.373.859.374.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.312.512.211.510.937.9251.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SellingGeneralAndAdministrativeExpenses


Allocated
Period End2021-06-302021-03-312020-06-302020-03-31
Value15151311
Percentage of AllocatedShareBasedCompensationExpense75.475.579.367.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax31.738.641.778.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:SellingGeneralAndAdministrativeExpenses0.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value-69411000.0-75111000.0-62223000.0-60388000.0-52828000.0-72565000.0-96199000.0-64760000.0-56706000.0-48299000.0-48869000.0-43207000.0-40286000.0-41545000.0-41391000.0-28486000.0-23972000.0-23345000.0-27373000.0-20985000.0-17675000.0-16600000.0-15585000.0-14764000.0-8594000.0-7417000.0-5313000.0-5222000.0-5165000.0
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-146.0-192.4-150.7-163.7-167.7-514.0-4563.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value748000.0584000.0961000.0513000.0377000.0135000.0
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.61.52.31.41.21.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value113110100958387101686052
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax238.9282.8243.8258.1265.2620.34806.60.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt

us-gaap:InterestExpenseDebt


Interest
Period End2021-06-302021-03-312020-12-31
Value-3.3744522
Percentage of InterestExpenseDebt100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-7.1116.755.2

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3413000.03375000.01139000.01725000.01713000.01706000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.28.62.84.75.412.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-69592000.0-74930000.0-61806000.0-59881000.0-52840000.0-73026000.0-95975000.0-64547000.0-57321000.0-48923000.0-49201000.0-43068000.0-40368000.0-41556000.0-41252000.0-28557000.0-23883000.0-23332000.0-27208000.0-20985000.0-17675000.0-16600000.0-15585000.0-14764000.0-8594000.0-7417000.0-5313000.0-5222000.0-5165000.0-5107000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-146.3-191.9-149.7-162.3-167.7-517.3-4552.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap: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-69592000.0-74930000.0-59881000.0-52840000.0-73026000.0-64547000.0-57321000.0-48923000.0-43068000.0-40368000.0-41556000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-146.3-191.9-162.3-167.7-517.30.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-66070000.0-71364000.0-59373000.0-58311000.0-52036000.0-73452000.0-99214000.0-68742000.0-60804000.0-52523000.0-52084000.0-45476000.0-42487000.0-42695000.0-41914000.0-29180000.0-24430000.0-23721000.0-27460000.0-21144000.0-17806000.0-16717000.0-15598000.0-14775000.0-8600000.0-7420000.0-5314000.0-5200000.0-5128000.0-4869000.0
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-138.9-182.8-143.8-158.1-165.2-520.3-4706.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-30
Value259000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.5

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-30
Value259000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value-3.522-3.566-2.432-1.57-0.8040.4263.2414.1953.4833.62.8822.4082.1191.1390.6230.5470.3890.1590.1310.117
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-7.4-9.1-5.9-4.3-2.63.0153.70.00.00.00.00.00.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value5150414034396439363436333129312018172015131211127.0826.0694.0634.0694.315
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax108.9130.399.5109.0108.2281.73083.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4739413631142.108
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value413631142.108
Percentage of Revenues100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value61585954494744292418
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax128.5151.0144.4147.7155.8337.62115.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value6146497246917217417967277686136175105395733562843013172022242361381531634455
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value299286307233225217217696456443832353725201516131412128.2186.8492.921
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.744.142.533.831.329.427.39.58.49.27.37.56.16.210.69.16.74.87.96.26.19.28.05.015.35.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value6146497246917217417967277686136175105395733562843013172022242361381531634455
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value315363416457495523578658704556572472506537318258281302186210222126140154-67.675-49.326-25.974-9.349
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.355.957.566.268.770.672.790.591.690.892.792.593.993.889.490.993.395.292.193.893.990.892.095.0-151.3-88.50.00.0

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
Value0.3020.1210.3020.721.2271.2150.7540.9781.1910.576-0.048-0.381-0.242-0.325-0.336-0.166
Percentage of StockholdersEquity0.10.00.10.20.20.20.10.10.20.1-0.0-0.1-0.0-0.1-0.1-0.1
Percentage of Assets0.00.00.00.10.20.20.10.10.20.1-0.0-0.1-0.0-0.1-0.1-0.1
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value144614241402138113591334131613001281107610448958868776173672390.02.0720.444
Percentage of StockholdersEquity458.1392.2337.0301.9274.2254.8227.5197.5182.0193.5182.4189.6175.0163.2193.6197.2169.9-0.0-8.0-4.7
Percentage of Assets235.2219.2193.7199.9188.4180.0165.4178.7166.7175.7169.2175.4164.4153.0173.0181.5156.30.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.0620.0620.0620.0610.0610.0610.0610.060.060.0560.0560.0520.0520.0520.0460.0370.0290.0020.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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-1130.991-1061.399-986.469-924.663-864.782-811.942-738.916-642.941-578.394-521.073-472.15-422.949-379.881-339.513-297.957-180.933-98.465-49.328-28.047-9.794
Percentage of StockholdersEquity-358.2-292.2-237.0-202.0-174.4-155.1-127.7-97.7-82.1-93.6-82.4-89.6-75.0-63.1-93.5-97.1-69.9100.0108.0104.8
Percentage of Assets-183.9-163.3-136.3-133.8-119.8-109.6-92.8-88.4-75.2-85.0-76.4-82.9-70.4-59.2-83.5-89.4-64.3-88.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value5245586325945945646276156664654853924695533242292342481492212341361501604253
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets85.385.987.386.082.376.278.984.786.775.978.776.887.196.690.980.977.878.274.098.898.998.298.598.694.896.1

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value4194454944183843153022673381562751943424551988493135922172311331481584045523.7438.8263.2783.639
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.268.568.360.553.342.638.036.844.025.644.638.263.479.555.629.631.142.745.597.297.996.497.097.290.70.093.40.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value421447497420387317304269340159277197343456199859413692148
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.668.968.760.953.642.938.337.144.326.045.038.763.679.655.930.031.443.145.697.1

Receivables Net Current

us-gaap:ReceivablesNetCurrent

us-gaap:ReceivablesNetCurrent


Receivables
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value19181714124.5782.637
Percentage of ReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.82.42.01.70.60.3

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4742403327141.277
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.86.55.64.93.82.00.2

Inventory Finished Goods

us-gaap:InventoryFinishedGoods

us-gaap:InventoryFinishedGoods


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2589000.02979000.01956000.01410000.01507000.0569000.052000.0
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.30.20.20.10.0

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value19150.9491413144.692128.2078.2228.2468.9517.051109.487105.0363.9962.495
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.22.40.12.11.91.90.61.71.11.31.31.81.31.82.73.71.71.31.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value494947474656432824232223222120179.075.9665.6825.5695.1844.6374.2163.328
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.17.66.66.86.57.65.53.93.23.83.74.54.13.85.76.13.01.92.82.52.23.32.86.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ComputerEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value3.2413.0243.0232.592.62.2242.2241.9791.5011.5011.5011.631.5991.5991.5940.9980.9950.9930.9720.970.9610.930.5960.472
Percentage of PropertyPlantAndEquipmentGross6.56.16.35.55.54.05.16.96.16.56.67.17.27.37.85.711.016.617.117.418.520.114.114.2
Percentage of Assets0.50.50.40.40.40.30.30.30.20.20.20.30.30.30.40.40.30.30.50.40.40.70.40.8
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value0.4561.7880.5170.7610.51531194.5751.2130.2530.2390.9320.480.3810.419113.1880.1980.1370.2060.00.0840.1290.0
Percentage of PropertyPlantAndEquipmentGross0.93.61.11.61.156.444.216.05.01.11.04.02.21.72.164.735.13.32.43.70.01.83.10.0
Percentage of Assets0.10.30.10.10.14.32.40.60.20.00.00.20.10.10.14.01.10.10.10.10.00.10.10.0
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value13121111118.4728.3148.1917.9357.5517.3636.7666.466.1185.7154.4784.2024.093.8953.7153.4863.2753.1512.611
Percentage of PropertyPlantAndEquipmentGross27.524.825.024.524.715.119.128.732.532.732.229.329.028.028.125.746.368.668.566.767.270.674.778.5
Percentage of Assets2.21.91.61.71.61.11.01.11.01.21.21.31.21.11.61.61.41.31.91.71.52.42.14.7
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value3232323232131313131313131313120.6850.6850.6850.6780.6780.7370.3480.340.245
Percentage of PropertyPlantAndEquipmentGross65.065.467.668.468.624.531.648.356.459.760.259.561.663.062.13.97.611.511.912.214.27.58.17.4
Percentage of Assets5.25.04.54.74.51.91.71.91.82.22.22.72.52.43.50.20.20.20.30.30.30.30.20.4
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value12119.8618.4947.291816141210.07.9076.3095.1414.4693.7994.273.873.5933.2622.9432.6222.3442.1021.305
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.71.41.21.02.52.12.01.61.61.31.21.00.81.11.51.31.11.61.31.11.71.42.3

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value363837383937271412131416171716135.22.3732.422.6262.5622.2932.1142.1682.1822.023
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.05.95.25.65.55.03.42.01.62.12.43.33.23.04.64.61.70.71.21.21.11.61.41.34.93.6

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value49505051515252131314
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.07.77.07.47.17.06.61.91.82.3

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:LeaseContractualTerm

gbt:SubstitutePremises


Operating
Period End2020-12-312019-12-312019-10-01
Value505253
Percentage of OperatingLeaseRightOfUseAsset99.8100.00.0
Percentage of Assets7.06.60.0
Percentage of Assets gbt:SubstitutePremises0.00.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1522000.01211000.0799000.0874000.0512000.0493000.0789000.0968000.0193000.0200000.0206000.0219000.0213000.0214000.0184000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.10.10.10.10.10.00.00.00.00.00.00.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value9.19810197.8825.6913107.1356.7557.3466.0464.963.4297.367.1773.3824.9663.1414.323.0384.8154.2953.3611.4191.4820.541
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.62.61.10.81.81.31.00.91.21.01.00.61.32.01.21.61.02.11.42.03.12.20.93.31.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3828314743344122231716131011106.3176.5867.9165.3195.8634.8384.7384.43.0062.1550.948
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.34.44.36.96.14.75.23.13.02.92.72.72.02.02.82.22.22.52.62.62.03.42.91.84.81.7

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value72587977696271413932332621232616171415131311106.5735.2332.537
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.89.110.911.39.68.49.05.75.25.25.55.33.94.27.45.85.74.67.75.95.68.37.04.011.74.6

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5243000.05037000.04836000.04645000.03486000.02691000.01866000.01380000.01318000.01252000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.80.70.70.50.40.20.20.20.2

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value889000.0884000.0819000.04466000.04415000.0483000.0319000.0505000.0431000.0527000.0655000.0168000.0352000.0283000.01093000.0171000.0210000.078000.053000.0119000.018000.03000.088000.0182000.02000.046000.0
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.60.60.10.00.10.10.10.10.00.10.00.30.10.10.00.00.10.00.00.10.10.00.1

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value4836000.04645000.03516000.02721000.01896000.01410000.01348000.01359000.0899000.0944000.0990000.0657000.0373000.01137000.01104000.0915000.0909000.0905000.0654000.0747000.0720000.0701000.0802000.0187000.0
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.50.40.20.20.20.20.10.20.20.10.10.40.40.30.40.40.30.50.50.41.80.3

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value195198201102
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets31.730.627.914.9

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value14914914873737373
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.322.920.610.710.29.99.2

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value0.8220.8220.8221.3440.7710.0344.3670.8810.0311111111119.4343.0190.4370.5630.7751.2321.3541.5561.6451.6160.384
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.10.00.60.10.01.82.22.12.03.33.31.00.10.30.30.51.01.01.03.60.7

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value76777980818172232424
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.412.010.911.611.311.09.13.33.14.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value12121212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets2.01.91.71.8

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value12121212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets2.12.01.71.8

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value13131212
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets2.22.11.81.9

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-10-012018-12-31
Value81828485742.925
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.312.811.612.39.30.04.2

us-gaap:OperatingLeaseLiability us-gaap:LeaseContractualTerm

gbt:SubstitutePremises


Operating
Period End2020-12-312019-12-312019-10-01
Value837253
Percentage of OperatingLeaseLiability99.797.51851.7
Percentage of Assets11.69.10.0
Percentage of Assets gbt:SubstitutePremises0.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value117120123126
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets19.118.617.118.3

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value35373941
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets5.85.85.46.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312013-12-312012-12-31
Value315363416457495523578658704556572472506537318258281302186210222126140154-67.675-49.326-25.974-9.349
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.355.957.566.268.770.672.790.591.690.892.792.593.993.889.490.993.395.292.193.893.990.892.095.0-151.3-88.50.00.0

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
Value0.3020.1210.3020.721.2271.2150.7540.9781.1910.576-0.048-0.381-0.242-0.325-0.336-0.166
Percentage of StockholdersEquity0.10.00.10.20.20.20.10.10.20.1-0.0-0.1-0.0-0.1-0.1-0.1
Percentage of Assets0.00.00.00.10.20.20.10.10.20.1-0.0-0.1-0.0-0.1-0.1-0.1
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value144614241402138113591334131613001281107610448958868776173672390.02.0720.444
Percentage of StockholdersEquity458.1392.2337.0301.9274.2254.8227.5197.5182.0193.5182.4189.6175.0163.2193.6197.2169.9-0.0-8.0-4.7
Percentage of Assets235.2219.2193.7199.9188.4180.0165.4178.7166.7175.7169.2175.4164.4153.0173.0181.5156.30.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value0.0620.0620.0620.0610.0610.0610.0610.060.060.0560.0560.0520.0520.0520.0460.0370.0290.0020.0010.001
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0-0.0-0.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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-1130.991-1061.399-986.469-924.663-864.782-811.942-738.916-642.941-578.394-521.073-472.15-422.949-379.881-339.513-297.957-180.933-98.465-49.328-28.047-9.794
Percentage of StockholdersEquity-358.2-292.2-237.0-202.0-174.4-155.1-127.7-97.7-82.1-93.6-82.4-89.6-75.0-63.1-93.5-97.1-69.9100.0108.0104.8
Percentage of Assets-183.9-163.3-136.3-133.8-119.8-109.6-92.8-88.4-75.2-85.0-76.4-82.9-70.4-59.2-83.5-89.4-64.3-88.50.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value62000.062000.062000.061000.061000.061000.061000.060000.060000.056000.056000.052000.052000.052000.046000.043000.043000.043000.037000.037000.036000.030000.029000.029000.03000.02000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value144614241402138113591334131613001281107610448958868776175155105063673633552412392370.00.0
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets235.2219.2193.7199.9188.4180.0165.4178.7166.7175.7169.2175.4164.4153.0173.0181.3169.0159.6181.5162.4150.0173.5156.3145.80.00.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value-1131000000.0-1061400000.0-986470000.0-924660000.0-864780000.0-811940000.0-738920000.0-642940000.0-578390000.0-521070000.0-472150000.0-422950000.0-379880000.0-339510000.0-297960000.0-256700000.0-228150000.0-204260000.0-180930000.0-153730000.0-132740000.0-115060000.0-98465000.0-82880000.0-67678000.0-49328000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-183.9-163.3-136.3-133.8-119.8-109.6-92.8-88.4-75.2-85.0-76.4-82.9-70.4-59.2-83.5-90.4-75.6-64.3-89.4-68.6-56.1-82.8-64.3-50.8-151.3-88.5

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
Value302000.0121000.0302000.0720000.01227000.01215000.0754000.0978000.01191000.0576000.0-48000.0-381000.0-242000.0-325000.0-336000.0-197000.0-268000.0-179000.0-166000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.10.20.20.10.10.20.1-0.0-0.1-0.0-0.1-0.1-0.1-0.1-0.1-0.1

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value212019171612109.4536.9687.87.784
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value212019171612109.4536.9687.87.784
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-44321000.0-79256000.0-45066000.0-40693000.0-47481000.0-78622000.0-62337000.0-53827000.0-37937000.0-40316000.0-33573000.0-30902000.0-34134000.0-36766000.0-25357000.0-25612000.0-14229000.0-14634000.0-9647000.0-8840000.0-6342000.0-6061000.0-5369000.0-5062000.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-93.2-203.0-109.1-110.3-150.7-556.9-2957.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value172845711089120-22.56925-100.651-28.287-116.79-80.654414215-0.577-0.378-0.218-0.22-0.386-0.169-0.189-0.055
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax37.371.7110.4194.7345.3645.5978.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.2921.78752.5837.9140.784765.546193221421.9691.254252970.7541120.494-0.131261.503-0.039530.034
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.64.6183.77.025.15.63621.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value1504000.01404000.01398000.01348000.03339000.02238000.02311000.02107000.02093000.02094000.02098000.01167000.0672000.0670000.0650000.0400000.091000.0517000.0394000.0321000.0278000.0242000.0267000.0217000.0206000.0183000.0177000.0168000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.2790.7653.371.6597.8931.941
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.2721.5695.9265.9271113
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-44321000.0-79256000.0-45066000.0-40693000.0-47481000.0-78622000.0-62337000.0-53827000.0-37937000.0-40316000.0-33573000.0-30902000.0-34134000.0-36766000.0-25357000.0-25612000.0-14229000.0-14634000.0-9647000.0-8840000.0-6342000.0-6061000.0-5369000.0-5062000.0
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-93.2-203.0-109.1-110.3-150.7-556.9-2957.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-69592000.0-74930000.0-61806000.0-59881000.0-52840000.0-73026000.0-95975000.0-64547000.0-57321000.0-48923000.0-49201000.0-43068000.0-40368000.0-41556000.0-41252000.0-28557000.0-23883000.0-23332000.0-27208000.0-20985000.0-17675000.0-16600000.0-15585000.0-14764000.0-8594000.0-7417000.0-5313000.0-5222000.0-5165000.0-5107000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-146.3-191.9-149.7-162.3-167.7-517.3-4552.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap: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-69592000.0-74930000.0-59881000.0-52840000.0-73026000.0-64547000.0-57321000.0-48923000.0-43068000.0-40368000.0-41556000.0
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-146.3-191.9-162.3-167.7-517.30.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2119191916161212109.4537.5286.9687.87.7844.7413.7072.662.5743.3513.1521.4651.2671.4920.8740.5350.3220.1680.086
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensation us-gaap:AwardType

gbt:MarketConditionAwardsGrantedToEmployees


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.53.13.33.31.10.20.30.42.21.5
Percentage of ShareBasedCompensation7.115.517.017.26.62.74.35.128.331.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value172845711089120-22.56925-100.651-28.287-116.79-80.654414215-0.577-0.378-0.218-0.22-0.386-0.169-0.189-0.055
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax37.371.7110.4194.7345.3645.5978.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value790000.01130000.04564000.0272000.01394000.02524000.02262000.0650000.0492000.056000.0-122000.01646000.02798000.0502000.01328000.01198000.0401000.0174000.0246000.0151000.0577000.0378000.0218000.0220000.0386000.0169000.0129000.055000.0
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.2921.78752.5837.9140.784765.546193221421.9691.254252970.7541120.494-0.131261.503-0.039530.034
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.64.6183.77.025.15.63621.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value42.3242.5142.0742.141.6140.7236240.034.6234.3333.2629.7429.1528.3426.8417.516.715.8915.2111.9910.9910.139.678.716.010.38
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

gbt:MarketConditionAwardsGrantedToEmployees, gbt:TwoThousandFifteenStockOptionAndIncentivePlan


Share
Period End2020-09-302018-12-312018-09-302018-06-302018-03-312017-12-31
Value6300.000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.00.00.00.00.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312015-12-312014-12-31
Value21150.00.00.1580.282
Percentage of DeferredTaxAssetsNet100.0100.00.00.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value242116115.2961.0050.6340.352
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value32524514587703619
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0

gbt:AccretionOfPaydownFee

gbt:AccretionOfPaydownFee


Accretion
Period End2021-06-302021-03-312020-12-31
Value178000.0591000.0145000.0
Percentage of AccretionOfPaydownFee100.0100.0100.0

gbt:AccruedIssuanceCostsIncurredDuringNonCashOrPartialNonCashTransaction

gbt:AccruedIssuanceCostsIncurredDuringNonCashOrPartialNonCashTransaction


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-03-31
Value0-26000.0-7000.033000.00-85000.0487000.0-41000.0127000.0
Percentage of AccruedIssuanceCostsIncurredDuringNonCashOrPartialNonCashTransaction0.0100.0100.0100.00.0100.0100.0100.0100.0

gbt:AccruedPurchasesOfPropertyAndEquipment

gbt:AccruedPurchasesOfPropertyAndEquipment


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-520000.0484000.0-3937000.0170000.03210000.0563000.02000.0-71000.01000.0146000.02221000.0-772000.0-2488000.01087000.01438000.068000.0-80000.0110000.0-133000.0234000.0-30000.043000.0
Percentage of AccruedPurchasesOfPropertyAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gbt:CapitalizedDepreciationExpenses

gbt:CapitalizedDepreciationExpenses


Capitalized
Period End2021-06-302021-03-312020-06-302020-03-31
Value454514196
Percentage of CapitalizedDepreciationExpenses100.0100.0100.0100.0

gbt:DebtPaydownFee

gbt:DebtPaydownFee


Debt
Period End2021-06-302021-03-312020-12-31
Value0-3000000.0-1500000.0
Percentage of DebtPaydownFee0.0100.0100.0

gbt:IncreaseDecreaseInOperatingLeaseLiabilities

gbt:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1215000.0-1113000.0-1136000.0-377000.0-76000.01762000.01751000.0-295000.0-287000.0-276000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gbt:LeaseholdImprovementPaidForByLandlord

gbt:LeaseholdImprovementPaidForByLandlord


Leasehold
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.00.01.2489.461123.516
Percentage of LeaseholdImprovementPaidForByLandlord0.00.0100.0100.0100.0100.0

gbt:LongTermDebtDiscountOnNotesPayable

gbt:LongTermDebtDiscountOnNotesPayable


Long
Period End2021-06-302021-03-312020-12-31
Value38000.0-1539000.0-210000.0
Percentage of LongTermDebtDiscountOnNotesPayable100.0100.0100.0

gbt:OperatingLeaseRightOfUseAssetAmortization

gbt:OperatingLeaseRightOfUseAssetAmortization


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1599000.0321000.0-113000.0693000.0995000.0120000.0112000.0100000.0
Percentage of OperatingLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0

gbt:OtherNonoperatingExpensesNet

gbt:OtherNonoperatingExpensesNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9000.0206000.093000.0160000.036000.0116000.034000.031000.063000.050000.0-32000.072000.0-4000.034000.036000.0104000.0142000.052000.0
Percentage of OtherNonoperatingExpensesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gbt:PaymentsOfOtherDebtIssuanceCosts us-gaap:LongtermDebtType

gbt:PaymentsOfOtherDebtIssuanceCosts

gbt:TermLoan


Payments
Period End2021-06-302021-03-312020-12-31
Value0500000.0100000.0
Percentage of PaymentsOfOtherDebtIssuanceCosts0.0100.0100.0

gbt:ProceedsFromExerciseOfStockOptionsAndESPP

gbt:ProceedsFromExerciseOfStockOptionsAndESPP


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.383.7031.0345.5748.0322.9687.9671.6242.3411.9250.9472.8261.0752.8210.8261.4120.5781.0760.1230.619
Percentage of ProceedsFromExerciseOfStockOptionsAndESPP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
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
Value-37000.0-75000.0-82000.0-98000.0-40000.0101000.0333000.0520000.0639000.0565000.0435000.0333000.0-14000.0-93000.0-143000.0-181000.0-196000.0-184000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value239000.0237000.0280000.0419000.0412000.0412000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-78000.0121000.0-418000.0-509000.0-89000.01318000.0-266000.0-161000.0591000.0602000.0169000.0-3000.04000.00-2000.0-2000.0-10000.014000.0
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains us-gaap:CashAndCashEquivalents

us-gaap:CertificatesOfDeposit


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-09-30
Value1000.0-8000.0-21000.0-11000.042000.0-9000.08000.012000.032000.000-1000.0-1000.0
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains0.81.94.112.43.23.4-5.02.05.30.00.050.050.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-43000.076000.0-247000.0-251000.0374000.0287000.0-144000.0-8000.0258000.0278000.0
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains55.162.859.149.3-420.221.854.15.043.746.2

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2000.0-39000.0-32000.0-73000.0181000.0-58000.0-69000.0102000.098000.0
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains1.79.36.382.013.721.842.917.316.3

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:USGovernmentDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-03-31
Value-32000.042000.0-124000.0-205000.0-379000.0808000.0-55000.0-92000.0219000.0194000.04000.003000.0
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains41.034.729.740.3425.861.320.757.137.132.2100.00.021.4

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-49.4727633691334-70.85181-118.52180-145.723-113.534257114-9.592-42.00344
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

gbt:TwoMajorCustomers, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-31
Value78.0
Percentage of ConcentrationRiskPercentage1100.0

gbt:TwoMajorCustomers, us-gaap:SalesRevenueProductLine, us-gaap:CustomerConcentrationRisk


Concentration
Period End2021-03-31
Value85.0
Percentage of ConcentrationRiskPercentage1109.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:LongtermDebtType

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

gbt:TermLoan


Debt
Period End2021-03-31
Value7.0
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-312020-06-302020-03-31
Value408430557337
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-1186000.0-8544000.011195000.02097000.0-7485000.02567000.03411000.0530000.0-714000.01272000.0846000.01586000.0-3979000.0262000.03710000.0-1562000.01886000.0-1263000.02544000.0-2667000.0322000.0867000.01840000.0182000.0349000.0334000.0-284000.0-20000.0
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value4621000.0-9276000.06032000.01489000.05195000.0-6309000.07128000.02210000.02612000.0-4407000.02857000.0939000.01517000.0-3856000.03058000.01029000.01717000.0-2192000.01616000.0495000.01141000.0-527000.0794000.0666000.0240000.0-305000.0150000.0252000.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value10-2.904-12.3883.6255.44-6.76619-0.5795.2490.8872.1493.9881.7690.1252.38-0.475-1.1072.4820.0480.95-0.0180.8140.9060.8630.3110.7540.771-0.234
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities


Increase
Period End2020-12-312019-12-312015-12-312015-09-302014-12-312014-09-30
Value64000.0-1452000.026000.0-11000.019000.0-10000.0
Percentage of IncreaseDecreaseInOtherCurrentLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-03-31
Value415000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2020-12-312020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-522000.0-1153000.00-919000.0-73000.0183000.0389000.0421000.0-12000.0-20000.0-13000.0-35000.0-13000.0-3000.0-9000.0-18000.04000.0-6000.0-5000.0
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value5080000.02041000.0-1062000.01945000.0-328000.0147000.0-2132000.05276000.0-10000.0-49000.0-1996000.02077000.01742000.0677000.0-1017000.0323000.01202000.01348000.060000.0-261000.0688000.0
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


Marketable
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-181000.0-507000.012000.0461000.0-213000.0615000.0624000.0-139000.083000.011000.0
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Marketable
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-181000.0-507000.012000.0461000.0-213000.0615000.0624000.0-139000.083000.011000.0
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3677000.03689000.02922000.02291000.02282000.02314000.0407000.0146000.0160000.0181000.0
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1640.3290.5830.8811.5142.8563.6824.3723.7063.831
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.43.23.13.13.13.13.21.41.41.9
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePaymentsUse us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:OperatingLeasePaymentsUse

us-gaap:AccountingStandardsUpdate201602


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2979000.02904000.02885000.02221000.01437000.01153000.01129000.0
Percentage of OperatingLeasePaymentsUse100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense

us-gaap:OperatingLeaseRightOfUseAssetAmortizationExpense


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value664000.0637000.0-113000.0693000.0
Percentage of OperatingLeaseRightOfUseAssetAmortizationExpense100.0100.0100.0100.0

us-gaap:OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease

us-gaap:OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease


Operating
Period End2020-09-302019-09-30
Value01800000.0
Percentage of OperatingLeasesIncomeStatementDepreciationExpenseOnPropertySubjectToOrHeldForLease0.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-30
Value-78000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-30
Value-78000.0
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-78000.0-181000.0-417000.0-507000.012000.0461000.0-224000.0-213000.0615000.0624000.0333000.0-139000.082000.011000.0-139000.071000.0-89000.0-13000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDebtIssuanceCosts


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value23000.026000.0045000.085000.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.00.0100.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts us-gaap:LongtermDebtType

gbt:TermLoan


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value01100000.00001100000.0
Percentage of PaymentsOfDebtIssuanceCosts0.04230.80.00.00.01294.1

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value65000.01897000.0124000.02991000.073000.02099000.04102000.01532000.01297000.0686000.0-1000.0849000.005404000.01000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value0.00.00.057104134311641011470.0032.86
Percentage of PaymentsToAcquireMarketableSecurities0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value182950721101511271125763733134424319239.287
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAdditions us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentAdditions

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-31
Value0.0320.0
Percentage of PropertyPlantAndEquipmentAdditions0.0100.00.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-09-302019-09-30
Value0.011
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

gbt:MarketConditionAwardsGrantedToEmployees, gbt:TwoThousandFifteenStockOptionAndIncentivePlan


Share
Period End2020-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value00011.6400
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.00.00.0100.00.00.0

us-gaap:RestrictedStockUnitsRSU, gbt:TwoThousandFifteenStockOptionAndIncentivePlanAndTwoThousandSeventeenInducementEquityPlan


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-3.5356.870.370.772.13-13.1952.18-0.64
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.00.00.00.00.0-113.30.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, gbt:TwoThousandFifteenStockOptionAndIncentivePlanAndTwoThousandSeventeenInducementEquityPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302018-06-302018-03-312017-12-31
Value-0.5944.87-1.86-0.14-3.2-1.02-0.4759.171.36
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, gbt:TwoThousandFifteenStockOptionAndIncentivePlanAndTwoThousandSeventeenInducementEquityPlan


Share
Period End2021-06-302021-03-312020-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.6554.41-0.060.0211.21.3421.820
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value72.272.7071.00.7180.699-71.47871.20.7170.7220.010.7030.7080.69300.7310.7560.73300.7090.8230.810.1060.7530.7640.7700.930.828
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value68.172.6070.70.710.696-69.70270.40.7050.71600.6970.6870.691-0.020.720.7090.71900.7060.8050.79400.7380.7480.75900.8070.816
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.11.000.400.018-2.5741.90.0240.0260.0010.0290.0290.02700.0210.0230.0220.0020.0150.0150.01900.0180.0180.017000.021
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.00.900.3-0.010.014-1.3861.40.0180.02500.0280.0260.02600.0190.0180.0200.0130.0110.01300.0160.0160.015-0.000100.02
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-4.8557.370.19
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-3.4223.240.25
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-0.9144.48-0.481.50.40.521.1315.093.33
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate

gbt:MarketConditionAwardsGrantedToEmployees


Share
Period End2020-12-31
Value0
Percentage of ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate0.0

us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate

gbt:MarketConditionAwardsGrantedToEmployees


Share
Period End2020-12-31
Value0
Percentage of ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate0.0

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan

us-gaap:StockIssuedDuringPeriodValueEmployeeStockPurchasePlan


Stock
Period End2021-03-312020-09-302020-03-312019-09-302019-03-312018-09-302018-03-31
Value2558000.02266000.01870000.01234000.01128000.0863000.0784000.0
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
Value2558000.02266000.01870000.01234000.01128000.0863000.0784000.0
Percentage of StockIssuedDuringPeriodValueEmployeeStockPurchasePlan100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-03-31
Value-65000.0-1897000.0-2990000.0-74000.0-2099000.0-1532000.0-1297000.0-686000.0-849000.0-5404000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-03-31
Value-65000.0-1897000.0-2990000.0-74000.0-2099000.0-1532000.0-1297000.0-686000.0-849000.0-5404000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.4031.113.3128.0180.9670.3862.3320.8171.7921.1182.169
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.4031.113.3128.0180.9670.3862.3310.8171.7921.1182.168
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1200000.0700000.0600000.0700000.0600000.0700000.0700000.0400000.0400000.0900000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

gbt:AccruedManufacturingExpensesCurrent

gbt:AccruedManufacturingExpensesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value137.6319.1252323189.46610
Percentage of AccruedManufacturingExpensesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

gbt:AccruedResearchAndDevelopmentCostsCurrent

gbt:AccruedResearchAndDevelopmentCostsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value118.121109.6946.9519.659264.15
Percentage of AccruedResearchAndDevelopmentCostsCurrent100.0100.0100.0100.0100.0100.0100.0100.0

gbt:AccuredSalesDeductionsCurrent

gbt:AccuredSalesDeductionsCurrent


Accured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value7635000.07010000.06405000.06116000.05302000.01998000.0529000.0
Percentage of AccuredSalesDeductionsCurrent100.0100.0100.0100.0100.0100.0100.0

gbt:ContingentPaymentMilestoneAdditionalObligations gbt:MilestonePaymentType, us-gaap:CounterpartyName

gbt:ContingentPaymentMilestoneAdditionalObligations

gbt:ResearchAndDevelopmentMilestones, gbt:RocheMember


Contingent
Period End2020-12-31
Value2.0
Percentage of ContingentPaymentMilestoneAdditionalObligations100.0

gbt:ContingentPaymentMilestoneAdditionalObligations us-gaap:CounterpartyName

gbt:RocheMember


Contingent
Period End2020-12-312019-12-31
Value6.45.5
Percentage of ContingentPaymentMilestoneAdditionalObligations320.00.0

gbt:ContingentPaymentMilestonePaymentsObligations gbt:MilestonePaymentType, us-gaap:CounterpartyName

gbt:ContingentPaymentMilestonePaymentsObligations

gbt:ResearchAndDevelopmentMilestones, gbt:RocheMember


Contingent
Period End2020-12-31
Value40
Percentage of ContingentPaymentMilestonePaymentsObligations100.0

gbt:DebtInstrumentPrepaymentFeePercentage us-gaap:Range, us-gaap:LongtermDebtType

gbt:DebtInstrumentPrepaymentFeePercentage

srt:Maximum, gbt:TermLoan


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.03.03.03.00.030.030.03
Percentage of DebtInstrumentPrepaymentFeePercentage100.0100.0100.0100.0100.0100.0100.0

srt:Minimum, gbt:TermLoan


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.01.01.01.00.010.010.01
Percentage of DebtInstrumentPrepaymentFeePercentage33.333.333.333.333.333.333.3

gbt:DeferredTaxAssetsValuationAllowancePercentage

gbt:DeferredTaxAssetsValuationAllowancePercentage


Deferred
Period End2020-12-31
Value100.0
Percentage of DeferredTaxAssetsValuationAllowancePercentage100.0

gbt:Deferredtaxassetsoperatingleaserightofuseasset

gbt:Deferredtaxassetsoperatingleaserightofuseasset


Deferredtaxassetsoperatingleaserightofuseasset
Period End2020-12-312019-12-31
Value-13975000.0-14971000.0
Percentage of Deferredtaxassetsoperatingleaserightofuseasset100.0100.0

gbt:FundsForPreclinicalResearchPayable us-gaap:CounterpartyName

gbt:FundsForPreclinicalResearchPayable

gbt:SyrosPharmaceuticals


Funds
Period End2020-12-31
Value40
Percentage of FundsForPreclinicalResearchPayable100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value1313136.75
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths100.0100.0100.0100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive


Long
Period End2020-12-312020-09-30
Value5326
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFive100.0100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value53535829
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour100.0100.0100.0100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value58586231
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree100.0100.0100.0100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value6262136.75
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo100.0100.0100.0100.0

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestRemainderOfFiscalYear

gbt:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestRemainderOfFiscalYear


Long
Period End2021-06-302021-03-312020-09-30
Value6.75101.688
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestRemainderOfFiscalYear100.0100.0100.0

gbt:PayablesForExerciseOfOptions us-gaap:CounterpartyName

gbt:PayablesForExerciseOfOptions

gbt:SyrosPharmaceuticals


Payables
Period End2020-12-31
Value315
Percentage of PayablesForExerciseOfOptions100.0

gbt:RepaymentOfResearchAndDevelopmentCost us-gaap:CounterpartyName

gbt:RepaymentOfResearchAndDevelopmentCost

gbt:SyrosPharmaceuticals


Repayment
Period End2020-12-31
Value8600000.0
Percentage of RepaymentOfResearchAndDevelopmentCost100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value4771000.05199000.04107000.03411000.03283000.04262000.04564000.03850000.04336000.02104000.01016000.0652000.0944000.01047000.01007000.0784000.0520000.0664000.0507000.0921000.01002000.0646000.0287000.0341000.0560000.0153000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost

us-gaap:AvailableForSaleSecuritiesAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value376426551533572593643651730574591477509544266247290299188148
Percentage of AvailableForSaleSecuritiesAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:CashAndCashEquivalents

us-gaap:CertificatesOfDeposit


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.240.2411.6963.8685.7666.2396.4786.7146.9266.6815.2165.9726.4899.14215141819
Percentage of AvailableForSaleSecuritiesAmortizedCost0.10.00.30.71.01.01.00.91.21.11.11.21.23.46.25.16.310.2

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value358389486417384294250237333145275187337455134728812472148
Percentage of AvailableForSaleSecuritiesAmortizedCost95.291.488.178.267.149.738.936.445.625.346.539.466.283.650.629.230.541.638.6100.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1119295583118151116133143110815147
Percentage of AvailableForSaleSecuritiesAmortizedCost3.04.65.410.514.619.923.617.918.325.018.617.010.117.7

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.86.8152043799414611210988884755
Percentage of AvailableForSaleSecuritiesAmortizedCost0.51.62.93.97.613.414.822.515.419.014.918.59.320.7

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:USGovernmentDebtSecurities


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
Value5.0031020375795139144144169111114675.006203550337.999
Percentage of AvailableForSaleSecuritiesAmortizedCost1.32.33.67.010.116.021.822.219.829.418.924.013.20.97.514.117.211.04.3

us-gaap:AvailableForSaleSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesCurrent


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
Value1836661131562153073353203002021881208711613513610855
Percentage of AvailableForSaleSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value376426552533574594644652731574591476509544265247290298187148
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:CashAndCashEquivalents

us-gaap:CertificatesOfDeposit


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value0.2410.2431.7063.8995.8086.2826.536.7586.9576.6755.2155.9666.4799.12915141819
Percentage of AvailableForSaleSecuritiesDebtSecurities0.10.00.30.71.01.01.00.91.21.11.11.21.23.46.25.16.310.2

us-gaap:MoneyMarketFunds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value358389486417384294250237333145275187337455134728812472148
Percentage of AvailableForSaleSecuritiesDebtSecurities95.291.488.078.167.049.638.936.445.625.346.539.466.283.750.729.230.541.638.6100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1119295684118152117134143110815146
Percentage of AvailableForSaleSecuritiesDebtSecurities3.04.65.410.514.619.923.618.018.425.018.617.010.117.7

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1.86.802152043799514611210988884754
Percentage of AvailableForSaleSecuritiesDebtSecurities0.51.62.93.97.613.414.822.515.419.014.918.59.320.7

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:USGovernmentDebtSecurities


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
Value5.0131020375895140144144169111114675.004203550337.999
Percentage of AvailableForSaleSecuritiesDebtSecurities1.32.43.67.110.116.121.822.219.829.418.924.013.20.97.514.117.211.14.3

us-gaap:AvailableForSaleSecuritiesNoncurrent

us-gaap:AvailableForSaleSecuritiesNoncurrent


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value3.275338485807311711498510.9921440606550
Percentage of AvailableForSaleSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:MoneyMarketFunds, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3583894864173842942502373331452751873374551347288124722082321341481584052
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:MoneyMarketFunds, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3583894864173842942502373331452751873374551347288124722082321341481584052
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashEquivalentsAtCarryingValue

us-gaap:CashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value358389486417384294251237338156275189337455134729312482148
Percentage of CashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value12107.510415.9029444.9190855.0162915.8517275.9709344.220564.2447742322
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:AwardType

gbt:EmployeeStockOptionsAuthorizedAvailableForFutureGrants


Common
Period End2020-12-312019-12-312018-12-31
Value6.0185674.4786563.003454
Percentage of CommonStockCapitalSharesReservedForFutureIssuance49.244.140.0

gbt:EmployeeStockPurchasePlan


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-31
Value0.254590.2526550.2409350.1860330.0761180.0761180.05
Percentage of CommonStockCapitalSharesReservedForFutureIssuance2.12.53.23.21.51.51.2

us-gaap:EmployeeStockOption


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3.327333.573863.2435512.9459012.7697022.7032522.6628412.4873742.0587871.9904731.703060.954567
Percentage of CommonStockCapitalSharesReservedForFutureIssuance27.235.243.249.956.353.945.541.748.846.97.44.2

us-gaap:RestrictedStockUnitsRSU


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value2.6250561.8487720.9754190.820713
Percentage of CommonStockCapitalSharesReservedForFutureIssuance21.518.213.013.9

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, gbt:TwoThousandFifteenStockOptionAndIncentivePlan


Common
Period End2020-12-312019-12-31
Value4.7410923.641106
Percentage of CommonStockCapitalSharesReservedForFutureIssuance38.835.9

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value15015015075
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-11-302020-09-30
Value200000.0300000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:CreditFacility

us-gaap:SecuredDebt


Debt
Period End2020-11-30
Value200000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

gbt:TermLoan


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value1500000.01500000.01300000.01400000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value21151.71
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-31
Value8507000.08243000.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value34626014587703619
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value2161579051513217
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-31
Value904000.0408000.0
Percentage of DeferredTaxAssetsOther100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value23160.760.1160.009
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value76624732152.5841.63
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value14114.8381.9151.8590.4640.122
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value6503000.03996000.01954000.01668000.01739000.0696000.0374000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-31
Value83000.0214000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312015-12-312014-12-31
Value7050000.0352000.01710000.0158000.0282000.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value19142317161117108.2415.629107.1796.244.7238.5795.5214.4922.7754.9673.3512.8561.7152.2421.4470.7820.847
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-312019-12-312018-12-312017-12-31
Value1661257034
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

gbt:MarketConditionAwardsGrantedToEmployees


Employee
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-31
Value7.19.913160.03650.03653.2
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.07.80.00.00.19.1

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

gbt:EmployeeStockPurchasePlan


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-30
Value3.7431.3871.7090.0530.0490.193
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0

gbt:MarketConditionRestrictedStockUnits


Employee
Period End2020-12-31
Value12
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions347.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312018-12-312017-12-31
Value1103113
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions2961.21841.225792.5

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeStockOption


Employee
Period End2020-12-31
Value38
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:InventoryRawMaterials

us-gaap:InventoryRawMaterials


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value9.01310119.043107.1410.7
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess

us-gaap:InventoryWorkInProcess


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value36282623157.2170.525
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentsFairValueDisclosure

us-gaap:CertificatesOfDeposit, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value0.2410.2431.7063.8995.8086.2826.536.7586.9576.6755.2155.9666.4799.129151419
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value111929568411815211713414311081513346586048
Percentage of InvestmentsFairValueDisclosure0.08149.012265.03301.02155.62038.42422.01794.61987.42068.81648.31554.8862.0513.4514.6377.8406.4253.9

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1.86.80215204379951461121098888474454667639
Percentage of InvestmentsFairValueDisclosure0.02822.46560.91230.21116.31370.21512.82250.11662.71573.41318.81694.5793.6682.2602.4432.5511.3207.7

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByAssetClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:CertificatesOfDeposit, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value0.2410.2431.7063.8995.8086.2826.536.7586.9576.6755.2155.9666.4799.129151419
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CorporateDebtSecurities, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value111929568411815211713414311081513346586048
Percentage of InvestmentsFairValueDisclosure0.08149.012265.03301.02155.62038.42422.01794.61987.42068.81648.31554.8862.0513.4514.6377.8406.4253.9

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value1.86.80215204379951461121098888474454667639
Percentage of InvestmentsFairValueDisclosure0.02822.46560.91230.21116.31370.21512.82250.11662.71573.41318.81694.5793.6682.2602.4432.5511.3207.7

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value358389486417384294250237333145275187337455134728872
Percentage of InvestmentsFairValueDisclosure0.0161596.7200071.624451.19861.95076.83988.13634.34934.22090.24123.43601.65651.37031.21476.0469.9594.3379.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value18366611618929939341539842931628817188131175201115
Percentage of InvestmentsFairValueDisclosure0.015243.227212.36846.34860.15159.76267.26362.95893.46174.74740.95540.22880.81372.81436.11137.51353.0603.4

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value5.0131020375895140144144169111114675.0042035507.999
Percentage of InvestmentsFairValueDisclosure0.04171.88286.42215.11488.21651.12232.52218.22143.22432.51673.82191.01125.277.2219.2227.2335.241.8

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value376426552533574594644652731574591476509544265247290187
Percentage of InvestmentsFairValueDisclosure0.0176839.8227284.031297.414722.010236.510255.49997.210827.68264.98864.39141.98532.18404.02912.11607.41947.3983.2

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:SecurityOwnedAndSoldNotYetPurchasedAtFairValue

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentDebtSecurities


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value5.0131020375895140144144169111114675.0042035507.999
Percentage of InvestmentsFairValueDisclosure0.04171.88286.42215.11488.21651.12232.52218.22143.22432.51673.82191.01125.277.2219.2227.2335.241.8

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value12121111
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-06-302021-03-312020-09-30
Value5958000.08937000.02885000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312020-06-302020-03-312019-12-312019-10-012019-06-302019-03-31
Value8.660.0870.0870.08660.08780.1320.132
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent us-gaap:AdjustmentsForNewAccountingPronouncements

us-gaap:AccountingStandardsUpdate201602


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value8.78.668.668.78.78.668.6613.2
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent0.00.0100.00.010000.09954.010000.00.0

us-gaap:OperatingLossCarryforwards gbt:OperatingLossExpiryPeriod, us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

gbt:OperatingLossCarryforwardExpirationYear2037, us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value209209208
Percentage of OperatingLossCarryforwards100.0100.0100.0

gbt:OperatingLossCarryforwardExpirationYear2040, us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value587
Percentage of OperatingLossCarryforwards279.7

gbt:OperatingLossCarryforwardWithIndefiniteExpiryPeriod, us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value619408173
Percentage of OperatingLossCarryforwards295.0194.582.8

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value82961838119412682
Percentage of OperatingLossCarryforwards395.0294.5182.80.00.00.0

us-gaap:OtherInventoryCapitalizedCosts

us-gaap:OtherInventoryCapitalizedCosts


Other
Period End2020-12-31
Value1800000.0
Percentage of OtherInventoryCapitalizedCosts100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value129.4226.3373.8391.9831.7061.6371.9071.2221.6230.4191.135
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value421447497420387317304269277
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value2395000.02420000.02436000.02417000.02395000.02395000.02395000.02395000.02395000.02395000.02395000.02395000.0906000.0906000.01046000.01046000.01046000.01046000.0140000.0140000.0140000.0140000.0140000.0140000.0140000.0140000.0
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashCurrent

us-gaap:RestrictedCashCurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value2395000.02420000.02436000.02417000.02395000.02395000.02395000.02395000.02395000.0
Percentage of RestrictedCashCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

gbt:MarketConditionAwardsGrantedToEmployees, gbt:TwoThousandFifteenStockOptionAndIncentivePlan


Share
Period End2021-06-302020-12-312020-09-302020-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value46.2649.9549.9549.9511.6411.6411.6411.6415.1515.15
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, gbt:TwoThousandFifteenStockOptionAndIncentivePlanAndTwoThousandSeventeenInducementEquityPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value52.1352.8957.857.8856.9356.2349.1948.5647.946.3643.3443.9843.3342.8724.9323.41
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue112.70.0115.7115.9114.00.00.00.00.00.0372.3377.8372.3368.3164.6154.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

gbt:TwoThousandSeventeenInducementEquityPlan


Share
Period End2020-12-312020-06-302020-03-312017-06-302017-03-31
Value1277500.01628800.0755890.0300000.0300000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value29
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber us-gaap:AwardType, us-gaap:Vesting

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2021-06-30
Value82940.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2021-06-30
Value186620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber225.0

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2021-06-30
Value145140.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber175.0

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2020-12-31
Value82940.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2020-12-31
Value186620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2020-12-31
Value145140.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2021-03-31
Value82940.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2021-03-31
Value186620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2021-03-31
Value145140.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-31
Value34.77
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:Vesting

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2021-06-30
Value109.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2021-06-30
Value182.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

gbt:MarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2021-06-30
Value145.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2020-12-31
Value109.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice314.1

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2020-12-31
Value182.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice523.4

gbt:TwoThouasndTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2020-12-31
Value145.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice418.8

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheOne


Share
Period End2021-03-31
Value109.2
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheThree


Share
Period End2021-03-31
Value182.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

gbt:TwoThousandTwentyMarketConditionRsuAwards, us-gaap:ShareBasedCompensationAwardTrancheTwo


Share
Period End2021-03-31
Value145.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice0.0

us-gaap:SharePrice us-gaap:AwardType

us-gaap:SharePrice

gbt:MarketConditionAwardsGrantedToEmployees


Share
Period End2021-06-302020-12-312020-09-302017-12-312017-09-30
Value37.268.6768670.028.5528.55
Percentage of SharePrice100.0100.0100.0100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

gbt:MarketConditionAwardsGrantedToEmployees, gbt:TwoThousandFifteenStockOptionAndIncentivePlan


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312017-09-30
Value141617220.06.5371310
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU, gbt:TwoThousandFifteenStockOptionAndIncentivePlanAndTwoThousandSeventeenInducementEquityPlan


Sharebased
Period End2020-12-312019-12-312018-12-312017-12-312017-09-30
Value95146331812
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested533.00.0512.5132.3117.9

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value28
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

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: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