2022 Q1 Form 10-K Financial Statement
#000095017022002312 Filed on February 28, 2022
Income Statement
Concept | 2022 Q1 | 2021 Q4 | 2021 Q1 |
---|---|---|---|
Revenue | $5.897M | $10.65M | $14.66M |
YoY Change | -59.77% | 28.7% | 104.98% |
Cost Of Revenue | |||
YoY Change | |||
Gross Profit | |||
YoY Change | |||
Gross Profit Margin | |||
Selling, General & Admin | $15.04M | $15.76M | $11.11M |
YoY Change | 35.36% | 51.86% | 27.55% |
% of Gross Profit | |||
Research & Development | $29.99M | $29.93M | $22.56M |
YoY Change | 32.92% | 31.61% | 28.05% |
% of Gross Profit | |||
Depreciation & Amortization | $1.327M | $1.315M | $1.291M |
YoY Change | 2.79% | 12.39% | 17.47% |
% of Gross Profit | |||
Operating Expenses | $45.03M | $45.69M | $33.67M |
YoY Change | 33.74% | 37.95% | 91.09% |
Operating Profit | -$39.13M | -$19.01M | |
YoY Change | 105.86% | ||
Interest Expense | $22.00K | -$3.089M | -$11.35M |
YoY Change | -100.19% | -91.1% | 2602.38% |
% of Operating Profit | |||
Other Income/Expense, Net | |||
YoY Change | |||
Pretax Income | -$39.11M | -$38.13M | -$30.36M |
YoY Change | 28.82% | -35.97% | 54.9% |
Income Tax | $0.00 | ||
% Of Pretax Income | |||
Net Earnings | -$39.11M | -$38.13M | -$30.36M |
YoY Change | 28.83% | -35.97% | 54.93% |
Net Earnings / Revenue | -663.22% | -357.85% | -207.09% |
Basic Earnings Per Share | -$0.84 | ||
Diluted Earnings Per Share | -$841.1K | -$823.5K | -$661.3K |
COMMON SHARES | |||
Basic Shares Outstanding | 46.38M | 46.27M | 45.89M |
Diluted Shares Outstanding | 46.50M |
Balance Sheet
Concept | 2022 Q1 | 2021 Q4 | 2021 Q1 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $209.1M | $197.9M | $251.2M |
YoY Change | -16.74% | -46.23% | 117.68% |
Cash & Equivalents | $28.90M | $30.41M | $55.82M |
Short-Term Investments | $180.2M | $167.5M | $195.4M |
Other Short-Term Assets | $7.911M | $8.123M | $7.500M |
YoY Change | 5.48% | 80.51% | 150.0% |
Inventory | |||
Prepaid Expenses | |||
Receivables | $11.69M | $12.45M | $7.200M |
Other Receivables | $0.00 | $0.00 | $0.00 |
Total Short-Term Assets | $228.7M | $218.5M | $266.0M |
YoY Change | -14.01% | -42.22% | 108.63% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $23.29M | $22.55M | $14.80M |
YoY Change | 57.33% | 74.33% | 55.79% |
Goodwill | |||
YoY Change | |||
Intangibles | |||
YoY Change | |||
Long-Term Investments | $20.70M | $68.78M | $74.60M |
YoY Change | -72.25% | 425.35% | |
Other Assets | $1.705M | $1.655M | $3.100M |
YoY Change | -45.0% | -22.01% | 14.81% |
Total Long-Term Assets | $74.93M | $122.9M | $92.50M |
YoY Change | -18.99% | 671.5% | 250.38% |
TOTAL ASSETS | |||
Total Short-Term Assets | $228.7M | $218.5M | $266.0M |
Total Long-Term Assets | $74.93M | $122.9M | $92.50M |
Total Assets | $303.7M | $341.4M | $358.5M |
YoY Change | -15.29% | -13.37% | 132.94% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $10.71M | $11.33M | $5.900M |
YoY Change | 81.44% | 104.31% | 1.72% |
Accrued Expenses | $5.408M | $11.42M | $4.500M |
YoY Change | 20.18% | 29.4% | 55.17% |
Deferred Revenue | $6.279M | $5.496M | |
YoY Change | -62.36% | ||
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | $12.50M | $9.375M | |
YoY Change | |||
Total Short-Term Liabilities | $38.76M | $41.74M | $22.70M |
YoY Change | 70.75% | 41.01% | -29.06% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $12.76M | $15.74M | $24.70M |
YoY Change | -48.33% | -35.88% | 2.07% |
Other Long-Term Liabilities | $147.0K | $146.0K | $3.900M |
YoY Change | -96.23% | -69.65% | -75.0% |
Total Long-Term Liabilities | $12.91M | $15.88M | $28.60M |
YoY Change | -54.86% | -36.53% | -28.14% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $38.76M | $41.74M | $22.70M |
Total Long-Term Liabilities | $12.91M | $15.88M | $28.60M |
Total Liabilities | $83.30M | $88.84M | $51.20M |
YoY Change | 62.7% | 43.15% | -28.69% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | -$372.5M | -$333.4M | -$258.2M |
YoY Change | 44.27% | 46.31% | 19.93% |
Common Stock | $594.0M | $586.3M | |
YoY Change | 4.73% | ||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $220.4M | $252.6M | $307.3M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $303.7M | $341.4M | $358.5M |
YoY Change | -15.29% | -13.37% | 132.98% |
Cashflow Statement
Concept | 2022 Q1 | 2021 Q4 | 2021 Q1 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | -$39.11M | -$38.13M | -$30.36M |
YoY Change | 28.83% | -35.97% | 54.93% |
Depreciation, Depletion And Amortization | $1.327M | $1.315M | $1.291M |
YoY Change | 2.79% | 12.39% | 17.47% |
Cash From Operating Activities | -$35.26M | -$21.58M | -$30.43M |
YoY Change | 15.86% | 14.3% | 62.43% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$1.553M | -$2.537M | -$2.380M |
YoY Change | -34.75% | 55.64% | -411.93% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | $34.54M | $23.32M | -$119.4M |
YoY Change | -128.94% | 33.78% | -381.49% |
Cash From Investing Activities | $32.98M | $20.78M | -$121.7M |
YoY Change | -127.09% | 31.53% | -392.36% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 760.0K | 506.0K | 1.826M |
YoY Change | -58.38% | -99.65% | -88.37% |
NET CHANGE | |||
Cash From Operating Activities | -35.26M | -21.58M | -30.43M |
Cash From Investing Activities | 32.98M | 20.78M | -121.7M |
Cash From Financing Activities | 760.0K | 506.0K | 1.826M |
Net Change In Cash | -1.513M | -293.0K | -150.3M |
YoY Change | -98.99% | -100.21% | -489.42% |
FREE CASH FLOW | |||
Cash From Operating Activities | -$35.26M | -$21.58M | -$30.43M |
Capital Expenditures | -$1.553M | -$2.537M | -$2.380M |
Free Cash Flow | -$33.70M | -$19.04M | -$28.05M |
YoY Change | 20.15% | 10.39% | 43.87% |
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CY2019 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
22958577 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-105538000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-32128000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-55744000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-443000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-36000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
212000 | |
CY2021 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
-105981000 | |
CY2020 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
-32164000 | |
CY2019 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
-55532000 | |
CY2018Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
131539000 | |
CY2019 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
180000 | |
CY2021 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-443000 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-105538000 | |
CY2021Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
252564000 | |
CY2021 | us-gaap |
Profit Loss
ProfitLoss
|
-105538000 | |
CY2020 | us-gaap |
Profit Loss
ProfitLoss
|
-32128000 | |
CY2021 | stro |
Remeasurement Of Liability Awards
RemeasurementOfLiabilityAwards
|
12000 | |
CY2020 | stro |
Remeasurement Of Liability Awards
RemeasurementOfLiabilityAwards
|
-19000 | |
CY2019 | stro |
Remeasurement Of Liability Awards
RemeasurementOfLiabilityAwards
|
115000 | |
CY2021 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-1242000 | |
CY2020 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-587000 | |
CY2019 | us-gaap |
Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
|
1260000 | |
CY2019 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
297000 | |
CY2019 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
10312000 | |
CY2019 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
212000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-55744000 | |
CY2019Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
97789000 | |
CY2020 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
1861000 | |
CY2020 | us-gaap |
Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
|
1285000 | |
CY2020 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
314000 | |
CY2020 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
11917000 | |
CY2020 | stro |
Warrants Issued During Period Value In Connection With Debt Refinancing
WarrantsIssuedDuringPeriodValueInConnectionWithDebtRefinancing
|
619000 | |
CY2020 | stro |
Common Stock Issuance Costs
CommonStockIssuanceCosts
|
15686000 | |
CY2020 | us-gaap |
Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
|
227252000 | |
CY2020 | stro |
Stock Issued During Period Value Through At The Market Sale
StockIssuedDuringPeriodValueThroughAtTheMarketSale
|
23803000 | |
CY2020 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
-36000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-32128000 | |
CY2020Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
332048000 | |
CY2021 | stro |
Stock Issued During Period Value Stock Options And Warrants Exercised
StockIssuedDuringPeriodValueStockOptionsAndWarrantsExercised
|
2485000 | |
CY2021 | us-gaap |
Stock Repurchased And Retired During Period Value
StockRepurchasedAndRetiredDuringPeriodValue
|
7000 | |
CY2021 | us-gaap |
Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
|
1765000 | |
CY2021 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
987000 | |
CY2021 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
23241000 | |
CY2019 | us-gaap |
Profit Loss
ProfitLoss
|
-55744000 | |
CY2021 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4844000 | |
CY2020 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4297000 | |
CY2019 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4777000 | |
CY2021 | us-gaap |
Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
-2781000 | |
CY2020 | us-gaap |
Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
-490000 | |
CY2019 | us-gaap |
Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
|
1457000 | |
CY2021 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
23241000 | |
CY2020 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
11917000 | |
CY2019 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
10312000 | |
CY2021 | stro |
Noncash Lease Expenses
NoncashLeaseExpenses
|
4929000 | |
CY2021 | us-gaap |
Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
|
-4454000 | |
CY2020 | us-gaap |
Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
|
41498000 | |
CY2019 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-468000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
5.59 | |
CY2021 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
6895000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
-739000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
3809000 | |
CY2021 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
3959000 | |
CY2020 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
80000 | |
CY2019 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
1441000 | |
CY2019 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
128576000 | |
CY2021 | stro |
Proceeds From Sales Of Marketable Securities
ProceedsFromSalesOfMarketableSecurities
|
18476000 | |
CY2020 | stro |
Proceeds From Sales Of Marketable Securities
ProceedsFromSalesOfMarketableSecurities
|
22000000 | |
CY2019 | stro |
Proceeds From Sales Of Marketable Securities
ProceedsFromSalesOfMarketableSecurities
|
20000000 | |
CY2021 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
15323000 | |
CY2020 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
7129000 | |
CY2019 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
3481000 | |
CY2021 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
6433000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-947000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
2253000 | |
CY2021 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
2594000 | |
CY2020 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
2806000 | |
CY2019 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
-200000 | |
CY2021 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
2141000 | |
CY2020 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
22000 | |
CY2019 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
186000 | |
CY2020 | us-gaap |
Increase Decrease In Deferred Charges
IncreaseDecreaseInDeferredCharges
|
-931000 | |
CY2019 | us-gaap |
Increase Decrease In Deferred Charges
IncreaseDecreaseInDeferredCharges
|
67000 | |
CY2021 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-15207000 | |
CY2020 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-14957000 | |
CY2019 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-20186000 | |
CY2021 | us-gaap |
Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
|
-2727000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-81679000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-67802000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-65023000 | |
CY2021 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
248727000 | |
CY2020 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
130741000 | |
CY2019 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
196226000 | |
CY2021 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
148250000 | |
CY2020 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
116385000 | |
CY2021 | stro |
Proceeds From Exercise Of Options For Vaxcyte Shares
ProceedsFromExerciseOfOptionsForVaxcyteShares
|
9000 | |
CY2020 | stro |
Proceeds From Exercise Of Options For Vaxcyte Shares
ProceedsFromExerciseOfOptionsForVaxcyteShares
|
89000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-97315000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
604000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-51131000 | |
CY2020 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
251415000 | |
CY2019 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
-327000 | |
CY2020 | us-gaap |
Proceeds From Issuance Of Debt
ProceedsFromIssuanceOfDebt
|
25000000 | |
CY2020 | us-gaap |
Repayments Of Debt
RepaymentsOfDebt
|
10000000 | |
CY2019 | us-gaap |
Repayments Of Debt
RepaymentsOfDebt
|
5000000 | |
CY2021 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
2485000 | |
CY2020 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1861000 | |
CY2019 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
180000 | |
CY2021 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
987000 | |
CY2020 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
314000 | |
CY2019 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
297000 | |
CY2021 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
7000 | |
CY2021 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
1765000 | |
CY2020 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
1285000 | |
CY2019 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
1260000 | |
CY2021 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
3256000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
269247000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-4184000 | |
CY2021 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
-175738000 | |
CY2020 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
202049000 | |
CY2019 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
-120338000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
207024000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
4975000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
125313000 | |
CY2021Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
31286000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
207024000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
4975000 | |
CY2021 | us-gaap |
Interest Paid Net
InterestPaidNet
|
2046000 | |
CY2020 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1675000 | |
CY2019 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1049000 | |
CY2021 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
103000 | |
CY2021 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
370000 | |
CY2020 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
546000 | |
CY2019 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
270000 | |
CY2021 | stro |
Remeasurement Of Operating Lease Right Of Use Assets For Lease Modification
RemeasurementOfOperatingLeaseRightOfUseAssetsForLeaseModification
|
4227000 | |
CY2020 | stro |
Offering Costs Included In Accounts Payable
OfferingCostsIncludedInAccountsPayable
|
361000 | |
CY2021 | stro |
Embedded Interest Associated With Program Fees
EmbeddedInterestAssociatedWithProgramFees
|
610000 | |
CY2020 | stro |
Embedded Interest Associated With Program Fees
EmbeddedInterestAssociatedWithProgramFees
|
1852000 | |
CY2019 | stro |
Embedded Interest Associated With Program Fees
EmbeddedInterestAssociatedWithProgramFees
|
3144000 | |
CY2020 | stro |
Warrants Issued To Lenders
WarrantsIssuedToLenders
|
619000 | |
CY2021 | us-gaap |
Nature Of Operations
NatureOfOperations
|
<p style="text-indent:2.667%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;">1.Organization and Principal Activities</span></p><p style="text-indent:2.667%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;">Description of Business</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">Sutro Biopharma, Inc. (the “Company”) is a clinical stage drug discovery, development and manufacturing company focused on leveraging its integrated cell-free protein synthesis and site-specific conjugation platform, XpressCF</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;vertical-align:top;font-size:6.7pt;font-family:Arial;">®</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">, to create a broad variety of optimally designed, next-generation protein therapeutics, initially for cancer. The Company was incorporated on </span><span style="font-size:10.0pt;font-family:Arial;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">April 21, 2003</span></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">, and is headquartered in </span><span style="font-size:10.0pt;font-family:Arial;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">South San Francisco</span></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">, </span><span style="font-size:10.0pt;font-family:Arial;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">California</span></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">The Company operates in </span><span style="font-size:10.0pt;font-family:Arial;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">one</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> business segment, the development of biopharmaceutical products.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p><p style="text-indent:2.667%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;">Liquidity</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">The Company has incurred significant losses and has negative cash flows from operations. As of December 31, 2021, there was an accumulated deficit of $</span><span style="font-size:10.0pt;font-family:Arial;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">333.4</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> million. Management expects to continue to incur additional </span><span style="font-size:10.0pt;font-family:Arial;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">substantial</span></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> losses in the foreseeable future as a result of the Company’s research and development and other operational activities.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">As of December 31, 2021, the Company had unrestricted cash, cash equivalents and marketable securities of $</span><span style="font-size:10.0pt;font-family:Arial;background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">229.5</span><span style="background-color:rgba(0,0,0,0);color:rgba(255,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">million, which is available to fund future operations. The Company will need to raise additional capital to support the completion of its research and development activities and to support its operations.</span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.15;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">The Company believes that its unrestricted cash, cash equivalents and marketable securities as of December 31, 2021 will enable the Company to maintain its operations for a period of at least </span><span style="font-size:10.0pt;font-family:Arial;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">12</span></span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> months following the filing date of these financial statements.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p> | |
CY2021 | dei |
Entity Incorporation Date Of Incorporation
EntityIncorporationDateOfIncorporation
|
2003-04-21 | |
CY2021 | dei |
Entity Address City Or Town
EntityAddressCityOrTown
|
South San Francisco | |
CY2021 | dei |
Entity Address State Or Province
EntityAddressStateOrProvince
|
CA | |
CY2021 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2021Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-333400000 | |
CY2020 | us-gaap |
Substantial Doubt About Going Concern Within One Year
SubstantialDoubtAboutGoingConcernWithinOneYear
|
false | |
CY2021Q4 | stro |
Unrestricted Cash Cash Equivalents And Marketable Securities At Carrying Value
UnrestrictedCashCashEquivalentsAndMarketableSecuritiesAtCarryingValue
|
229500000 | |
CY2021Q4 | us-gaap |
Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
|
200000 | |
CY2020Q4 | us-gaap |
Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
|
200000 | |
CY2021 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
2600000 | |
CY2021Q1 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
29700000 | |
CY2021Q1 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
2900000 | |
CY2021Q1 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
27800000 | |
CY2021Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
900000 | |
CY2020Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
900000 | |
CY2021Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
30414000 | |
CY2020Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
206152000 | |
CY2019Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
4960000 | |
CY2021Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
872000 | |
CY2020Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
872000 | |
CY2019Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
15000 | |
CY2021Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
31286000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
207024000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
4975000 | |
CY2021 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<p style="text-indent:2.667%;font-size:10.0pt;margin-top:12.0pt;line-height:1.0589583333333332;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;">Concentrations of Credit Risk</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:bold;font-size:10.0pt;font-family:Arial;font-style:italic;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.0589583333333332;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">Cash and cash equivalents and marketable securities consist of financial instruments that potentially subject the Company to a concentration of credit risk, to the extent of the amounts recorded on the balance sheets. The Company minimizes the amount of credit exposure by investing cash that is not required for immediate operating needs in money market funds, government obligations and/or commercial paper with short maturities.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p><p style="text-indent:3.4%;font-size:10.0pt;margin-top:12.0pt;line-height:1.0589583333333332;font-family:Times New Roman;margin-bottom:0.0pt;text-align:left;"><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">The Company performs a regular review of its collaborators’ credit risk and payment histories when circumstances warrant, including payments made subsequent to year-end. When appropriate, the Company provides for an allowance for credit risks by reserving for specifically identified doubtful accounts, although historically the Company has not experienced credit losses from its accounts receivable</span><span style="background-color:rgba(0,0,0,0);color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;">.</span><span style="color:rgba(0,0,0,1);white-space:pre-wrap;font-weight:normal;font-size:10.0pt;font-family:Arial;"> </span></p> | |
CY2021 | us-gaap |
Impairment Of Long Lived Assets To Be Disposed Of
ImpairmentOfLongLivedAssetsToBeDisposedOf
|
0 | |
CY2020 | us-gaap |
Impairment Of Long Lived Assets To Be Disposed Of
ImpairmentOfLongLivedAssetsToBeDisposedOf
|
0 | |
CY2019 | us-gaap |
Impairment Of Long Lived Assets To Be Disposed Of
ImpairmentOfLongLivedAssetsToBeDisposedOf
|
0 | |
CY2021Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
228883000 | |
CY2021Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
314000 | |
CY2021Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
228569000 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
324845000 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
131000 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
3000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
324973000 | |
CY2021Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
68800000 | |
CY2020Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
0 | |
CY2021Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
176500000 | |
CY2020Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
14700000 | |
CY2021Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
300000 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
3000 | |
CY2021 | us-gaap |
Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings
|
0 | |
CY2020 | us-gaap |
Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings
|
0 | |
CY2019 | us-gaap |
Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings
|
0 | |
CY2021Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
0 | |
CY2021Q4 | us-gaap |
Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
|
5500000 | |
CY2021Q4 | us-gaap |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
|
P12M | |
CY2021Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
55976000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
49762000 | |
CY2021Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
33426000 | |
CY2020Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
36827000 | |
CY2021Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
22550000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
12935000 | |
CY2021 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4800000 | |
CY2020 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4300000 | |
CY2019 | us-gaap |
Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
|
4800000 | |
CY2020 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
500000 | |
CY2019 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
200000 | |
CY2020 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
2300000 | |
CY2019 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
1100000 | |
CY2021 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0807 | |
CY2020 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0808 | |
CY2019 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0872 | |
CY2021 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
600000 | |
CY2021Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
25000000 | |
CY2020Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
25000000 | |
CY2021Q4 | us-gaap |
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
|
-113000 | |
CY2020Q4 | us-gaap |
Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
|
455000 | |
CY2021Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
25113000 | |
CY2020Q4 | us-gaap |
Long Term Debt
LongTermDebt
|
24545000 | |
CY2021Q4 | us-gaap |
Long Term Debt Current
LongTermDebtCurrent
|
9375000 | |
CY2021Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
15738000 | |
CY2020Q4 | us-gaap |
Long Term Debt Noncurrent
LongTermDebtNoncurrent
|
24545000 | |
CY2021Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
11166000 | |
CY2021Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
13312000 | |
CY2021Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
4126000 | |
CY2021Q4 | stro |
Debt Instrument Including Interest And Final Payment
DebtInstrumentIncludingInterestAndFinalPayment
|
28604000 | |
CY2021Q4 | stro |
Debt Instrument Interest Payable
DebtInstrumentInterestPayable
|
2646000 | |
CY2021Q4 | stro |
Debt Instrument Final Payment
DebtInstrumentFinalPayment
|
958000 | |
CY2021Q4 | us-gaap |
Debt Instrument Carrying Amount
DebtInstrumentCarryingAmount
|
25000000 | |
CY2021 | us-gaap |
Operating Lease Expense
OperatingLeaseExpense
|
8400000 | |
CY2021 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
6200000 | |
CY2020 | stro |
Potential Financial Benefit Base Rent Abatement
PotentialFinancialBenefitBaseRentAbatement
|
5200000 | |
CY2020 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
4700000 | |
CY2021 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
8355000 | |
CY2021 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
117000 | |
CY2021 | us-gaap |
Variable Lease Cost
VariableLeaseCost
|
2089000 | |
CY2021 | us-gaap |
Lease Cost
LeaseCost
|
10561000 | |
CY2021Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P5Y8M12D | |
CY2021Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.108 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
|
1657000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
|
8002000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
|
9219000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
|
9533000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
|
8994000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
|
8289000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
|
45694000 | |
CY2021Q4 | us-gaap |
Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
|
13433000 | |
CY2021Q4 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
32261000 | |
CY2021Q4 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
1037000 | |
CY2021Q4 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
31224000 | |
CY2021 | stro |
Potential Financial Benefit Base Rent Abatement
PotentialFinancialBenefitBaseRentAbatement
|
5200000 | |
CY2020Q4 | us-gaap |
Deferred Rent Credit Noncurrent
DeferredRentCreditNoncurrent
|
1300000 | |
CY2020Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
5742000 | |
CY2020Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
5183000 | |
CY2020Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
6310000 | |
CY2020Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
7476000 | |
CY2020Q4 | stro |
Operating Leases Future Minimum Payments Due In Five Years And Beyond
OperatingLeasesFutureMinimumPaymentsDueInFiveYearsAndBeyond
|
24034000 | |
CY2020Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
48745000 | |
CY2019 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
3600000 | |
CY2021 | us-gaap |
Common Stock Voting Rights
CommonStockVotingRights
|
one vote per share | |
CY2021Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
11221420 | |
CY2020Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
8331103 | |
CY2021Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
10000000 | |
CY2021Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.001 | |
CY2021Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2020Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
2800000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
1200000 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
200000 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.809 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.849 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.732 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.874 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.727 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.749 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.006 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.013 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.002 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.016 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.014 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.026 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
14.24 | |
CY2021 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
266724 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
6.71 | |
CY2021 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
23241000 | |
CY2020 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
11917000 | |
CY2019 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
10312000 | |
CY2021 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
262279 | |
CY2020 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
257834 | |
CY2021Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
4445 | |
CY2020Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
8890 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
266724 | |
CY2021Q4 | stro |
Liability Attributable To Call Option Plan
LiabilityAttributableToCallOptionPlan
|
97000 | |
CY2020Q4 | stro |
Liability Attributable To Call Option Plan
LiabilityAttributableToCallOptionPlan
|
109000 | |
CY2021 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
0 | |
CY2020 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
100000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
0 | |
CY2019 | stro |
Effective Income Tax Rate Reconciliation Asc606 Adoption Percent
EffectiveIncomeTaxRateReconciliationASC606AdoptionPercent
|
-0.039 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.002 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.061 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent
|
-0.013 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
15094000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
9298000 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
-0.001 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.247 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.347 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.227 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
|
0.037 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
|
0.093 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
|
0.049 | |
CY2021 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent
|
-0.002 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent
|
-0.019 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.020 | |
CY2021 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2020 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.003 | |
CY2019 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
67719000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
47549000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
31864000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
25175000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
3629000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
|
3973000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
|
2965000 | |
CY2021Q4 | stro |
Deferred Tax Assets Operating Lease Liability
DeferredTaxAssetsOperatingLeaseLiability
|
7266000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
3910000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
3495000 | |
CY2021Q4 | stro |
Deferred Tax Assets Fixed Assets
DeferredTaxAssetsFixedAssets
|
1008000 | |
CY2020Q4 | stro |
Deferred Tax Assets Fixed Assets
DeferredTaxAssetsFixedAssets
|
917000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
115740000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
83730000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
100646000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
74432000 | |
CY2021Q4 | stro |
Deferred Tax Liabilities Operating Lease Right Of Use Asset
DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset
|
6716000 | |
CY2021Q4 | us-gaap |
Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
|
8378000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
|
9298000 | |
CY2021Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
15094000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
9298000 | |
CY2021Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
CY2020 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
32573469 | |
CY2021 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
26200000 | |
CY2020 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
11100000 | |
CY2019 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
12600000 | |
CY2021 | us-gaap |
Operating Loss Carryforwards Limitations On Use
OperatingLossCarryforwardsLimitationsOnUse
|
Events which cause limitations in the amount of net operating losses that the Company may utilize in any one year include, but are not limited to, a cumulative ownership change of more than 50%, as defined, over a three-year testing period. | |
CY2021 | stro |
Period For Cumulative Ownership Change
PeriodForCumulativeOwnershipChange
|
P3Y | |
CY2021Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
6400000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
4900000 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
3800000 | |
CY2021 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
0 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
4902000 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
3783000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
2795000 | |
CY2021 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
1492000 | |
CY2020 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
1090000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
1005000 | |
CY2021 | stro |
Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions
|
15000 | |
CY2020 | stro |
Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions
|
29000 | |
CY2019 | stro |
Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions
|
-17000 | |
CY2021Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
6409000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
4902000 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
3783000 | |
CY2021 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-105538000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-32128000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-55744000 | |
CY2021 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
46119089 | |
CY2019 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
22958577 | |
CY2021 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-2.29 | |
CY2020 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.99 | |
CY2019 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-2.43 | |
CY2021 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
9098287 | |
CY2020 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
6314039 | |
CY2019 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
4321697 |