2021 Q1 Form 10-K Financial Statement
#000156459021013945 Filed on March 18, 2021
Income Statement
Concept | 2021 Q1 | 2020 Q4 | 2020 Q3 |
---|---|---|---|
Revenue | $14.66M | $8.278M | $17.82M |
YoY Change | 104.98% | -26.78% | 45.17% |
Cost Of Revenue | |||
YoY Change | |||
Gross Profit | |||
YoY Change | |||
Gross Profit Margin | |||
Selling, General & Admin | $11.11M | $10.38M | $9.080M |
YoY Change | 27.55% | 19.31% | 11.82% |
% of Gross Profit | |||
Research & Development | $22.56M | $22.74M | $19.36M |
YoY Change | 28.05% | 30.76% | 14.58% |
% of Gross Profit | |||
Depreciation & Amortization | $1.291M | $1.170M | $970.0K |
YoY Change | 17.47% | -4.1% | -21.14% |
% of Gross Profit | |||
Operating Expenses | $33.67M | $33.12M | $19.36M |
YoY Change | 91.09% | 26.95% | -22.59% |
Operating Profit | -$19.01M | ||
YoY Change | |||
Interest Expense | -$11.35M | -$34.70M | $27.76M |
YoY Change | 2602.38% | 346900.0% | -15522.22% |
% of Operating Profit | |||
Other Income/Expense, Net | |||
YoY Change | |||
Pretax Income | -$30.36M | -$59.54M | $17.14M |
YoY Change | 54.9% | 302.57% | -232.77% |
Income Tax | |||
% Of Pretax Income | |||
Net Earnings | -$30.36M | -$59.54M | $17.14M |
YoY Change | 54.93% | 302.62% | -232.74% |
Net Earnings / Revenue | -207.09% | -719.3% | 96.16% |
Basic Earnings Per Share | -$1.48 | $0.46 | |
Diluted Earnings Per Share | -$661.3K | -$1.48 | $0.45 |
COMMON SHARES | |||
Basic Shares Outstanding | 45.89M | 36.89M | |
Diluted Shares Outstanding | 37.88M |
Balance Sheet
Concept | 2021 Q1 | 2020 Q4 | 2020 Q3 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $251.2M | $368.1M | $281.2M |
YoY Change | 117.68% | 212.21% | 124.6% |
Cash & Equivalents | $55.82M | $206.2M | $64.37M |
Short-Term Investments | $195.4M | $162.0M | $216.9M |
Other Short-Term Assets | $7.500M | $4.500M | $3.600M |
YoY Change | 150.0% | 2.27% | 24.14% |
Inventory | |||
Prepaid Expenses | |||
Receivables | $7.200M | $5.559M | $7.500M |
Other Receivables | $0.00 | $0.00 | $0.00 |
Total Short-Term Assets | $266.0M | $378.2M | $292.3M |
YoY Change | 108.63% | 194.15% | 115.61% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $14.80M | $12.94M | $11.90M |
YoY Change | 55.79% | 34.28% | 39.64% |
Goodwill | |||
YoY Change | |||
Intangibles | |||
YoY Change | |||
Long-Term Investments | $74.60M | $0.00 | $0.00 |
YoY Change | 425.35% | -100.0% | -100.0% |
Other Assets | $3.100M | $2.122M | $3.000M |
YoY Change | 14.81% | -16.62% | 27.61% |
Total Long-Term Assets | $92.50M | $15.93M | $14.90M |
YoY Change | 250.38% | -42.71% | -58.74% |
TOTAL ASSETS | |||
Total Short-Term Assets | $266.0M | $378.2M | $292.3M |
Total Long-Term Assets | $92.50M | $15.93M | $14.90M |
Total Assets | $358.5M | $394.1M | $307.2M |
YoY Change | 132.94% | 152.04% | 78.94% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $5.900M | $5.544M | $4.900M |
YoY Change | 1.72% | -0.72% | 7.72% |
Accrued Expenses | $4.500M | $8.823M | $5.900M |
YoY Change | 55.17% | 46.63% | 27.48% |
Deferred Revenue | $14.60M | ||
YoY Change | -24.98% | ||
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | $0.00 | $0.00 | |
YoY Change | -100.0% | -100.0% | |
Total Short-Term Liabilities | $22.70M | $29.60M | $29.90M |
YoY Change | -29.06% | -10.22% | -16.62% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $24.70M | $24.55M | $24.40M |
YoY Change | 2.07% | 176.53% | 343.64% |
Other Long-Term Liabilities | $3.900M | $481.0K | $8.800M |
YoY Change | -75.0% | 258.96% | 6721.71% |
Total Long-Term Liabilities | $28.60M | $25.03M | $33.20M |
YoY Change | -28.14% | 177.76% | 489.8% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $22.70M | $29.60M | $29.90M |
Total Long-Term Liabilities | $28.60M | $25.03M | $33.20M |
Total Liabilities | $51.20M | $62.06M | $63.10M |
YoY Change | -28.69% | 5.94% | 2.15% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | -$258.2M | -$227.9M | -$168.3M |
YoY Change | 19.93% | 16.41% | -6.99% |
Common Stock | $559.8M | ||
YoY Change | 90.81% | ||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $307.3M | $332.0M | $244.1M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $358.5M | $394.1M | $307.2M |
YoY Change | 132.98% | 152.04% | 78.94% |
Cashflow Statement
Concept | 2021 Q1 | 2020 Q4 | 2020 Q3 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | -$30.36M | -$59.54M | $17.14M |
YoY Change | 54.93% | 302.62% | -232.74% |
Depreciation, Depletion And Amortization | $1.291M | $1.170M | $970.0K |
YoY Change | 17.47% | -4.1% | -21.14% |
Cash From Operating Activities | -$30.43M | -$18.88M | -$17.69M |
YoY Change | 62.43% | 43.57% | 9.74% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$2.380M | -$1.630M | -$2.970M |
YoY Change | -411.93% | -20.49% | 350.0% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | -$119.4M | $17.43M | $3.270M |
YoY Change | -381.49% | 74.47% | -68.8% |
Cash From Investing Activities | -$121.7M | $15.80M | $300.0K |
YoY Change | -392.36% | 98.99% | -96.95% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | |||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 1.826M | 144.9M | 17.27M |
YoY Change | -88.37% | -8238.2% | -1641.96% |
NET CHANGE | |||
Cash From Operating Activities | -30.43M | -18.88M | -17.69M |
Cash From Investing Activities | -121.7M | 15.80M | 300.0K |
Cash From Financing Activities | 1.826M | 144.9M | 17.27M |
Net Change In Cash | -150.3M | 141.8M | -120.0K |
YoY Change | -489.42% | -2128.33% | -98.38% |
FREE CASH FLOW | |||
Cash From Operating Activities | -$30.43M | -$18.88M | -$17.69M |
Capital Expenditures | -$2.380M | -$1.630M | -$2.970M |
Free Cash Flow | -$28.05M | -$17.25M | -$14.72M |
YoY Change | 43.87% | 55.41% | -4.79% |
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CY2020 | us-gaap |
Equity Securities Fv Ni Unrealized Gain Loss
EquitySecuritiesFvNiUnrealizedGainLoss
|
41498000 | |
CY2019 | stro |
Remeasurement Of Liability Awards
RemeasurementOfLiabilityAwards
|
115000 | |
CY2018 | stro |
Remeasurement Of Liability Awards
RemeasurementOfLiabilityAwards
|
1827000 | |
CY2020 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
-587000 | |
CY2019 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
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CY2018 | us-gaap |
Other Noncash Income Expense
OtherNoncashIncomeExpense
|
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CY2020 | us-gaap |
Increase Decrease In Accounts Receivable
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|
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CY2019 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
3809000 | |
CY2018 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
865000 | |
CY2020 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
80000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-947000 | |
CY2018 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
2578000 | |
CY2019 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
186000 | |
CY2018 | us-gaap |
Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
|
551000 | |
CY2020 | us-gaap |
Increase Decrease In Deferred Charges
IncreaseDecreaseInDeferredCharges
|
-931000 | |
CY2019 | us-gaap |
Increase Decrease In Deferred Charges
IncreaseDecreaseInDeferredCharges
|
67000 | |
CY2018 | us-gaap |
Increase Decrease In Deferred Charges
IncreaseDecreaseInDeferredCharges
|
-48000 | |
CY2020 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-14957000 | |
CY2019 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
-20186000 | |
CY2018 | us-gaap |
Increase Decrease In Contract With Customer Liability
IncreaseDecreaseInContractWithCustomerLiability
|
42305000 | |
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 | |
CY2020 | us-gaap |
Proceeds From Issuance Of Debt
ProceedsFromIssuanceOfDebt
|
25000000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
12683000 | |
CY2020 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
130741000 | |
CY2019 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
196226000 | |
CY2018 | us-gaap |
Payments To Acquire Marketable Securities
PaymentsToAcquireMarketableSecurities
|
81463000 | |
CY2020 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
116385000 | |
CY2019 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
128576000 | |
CY2018 | stro |
Proceeds From Maturities Of Marketable Securities
ProceedsFromMaturitiesOfMarketableSecurities
|
2750000 | |
CY2020 | stro |
Proceeds From Sales Of Marketable Securities
ProceedsFromSalesOfMarketableSecurities
|
22000000 | |
CY2019 | stro |
Proceeds From Sales Of Marketable Securities
ProceedsFromSalesOfMarketableSecurities
|
20000000 | |
CY2020 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
7129000 | |
CY2019 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
3481000 | |
CY2018 | stro |
Payments To Acquire Equipment And Leasehold Improvements
PaymentsToAcquireEquipmentAndLeaseholdImprovements
|
1557000 | |
CY2020 | stro |
Proceeds From Exercise Of Options For Vaxcyte Shares
ProceedsFromExerciseOfOptionsForVaxcyteShares
|
89000 | |
CY2018 | stro |
Proceeds From Exercise Of Options For Vaxcyte Shares
ProceedsFromExerciseOfOptionsForVaxcyteShares
|
80000 | |
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 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-80190000 | |
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 |
Repayments Of Debt
RepaymentsOfDebt
|
10000000 | |
CY2019 | us-gaap |
Repayments Of Debt
RepaymentsOfDebt
|
5000000 | |
CY2020 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1861000 | |
CY2019 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
180000 | |
CY2018 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
134000 | |
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 | |
CY2020 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
1285000 | |
CY2019 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
1260000 | |
CY2018 | stro |
Proceeds Interest From Payment Of Note Receivable By Stockholder
ProceedsInterestFromPaymentOfNoteReceivableByStockholder
|
208000 | |
CY2018 | us-gaap |
Proceeds From Issuance Of Redeemable Convertible Preferred Stock
ProceedsFromIssuanceOfRedeemableConvertiblePreferredStock
|
84739000 | |
CY2018 | us-gaap |
Proceeds From Issuance Initial Public Offering
ProceedsFromIssuanceInitialPublicOffering
|
74436000 | |
CY2018 | us-gaap |
Proceeds From Issuance Of Private Placement
ProceedsFromIssuanceOfPrivatePlacement
|
10000000 | |
CY2018 | stro |
Proceeds From Preferred Stock Warrants Exercises
ProceedsFromPreferredStockWarrantsExercises
|
268000 | |
CY2018 | stro |
Proceeds From A Research Development And Commercialization Agreement
ProceedsFromAResearchDevelopmentAndCommercializationAgreement
|
1000000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-4184000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
170785000 | |
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 | |
CY2018 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
103278000 | |
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 | |
CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
|
22035000 | |
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 | |
CY2020 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1675000 | |
CY2019 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1049000 | |
CY2018 | us-gaap |
Interest Paid Net
InterestPaidNet
|
1275000 | |
CY2020 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
546000 | |
CY2019 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
270000 | |
CY2018 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
205000 | |
CY2020 | stro |
Offering Costs Included In Accounts Payable
OfferingCostsIncludedInAccountsPayable
|
361000 | |
CY2020 | stro |
Embedded Interest Associated With Program Fees
EmbeddedInterestAssociatedWithProgramFees
|
1852000 | |
CY2019 | stro |
Embedded Interest Associated With Program Fees
EmbeddedInterestAssociatedWithProgramFees
|
3144000 | |
CY2018Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
125298000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
266724 | |
CY2018 | stro |
Reclassification Of Redeemable Convertible Preferred Stock Warrant Liability To Equity
ReclassificationOfRedeemableConvertiblePreferredStockWarrantLiabilityToEquity
|
734000 | |
CY2020 | us-gaap |
Nature Of Operations
NatureOfOperations
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<p style="margin-top:12pt;margin-bottom:0pt;text-indent:2.86%;font-weight:bold;font-family:Arial;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">1.Organization and Principal Activities</p> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:2.86%;font-weight:bold;font-style:italic;font-family:Arial;font-size:10pt;text-transform:none;font-variant: normal;">Description of Business </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">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<sup style="font-size:85%;line-height:120%;vertical-align:top">®</sup>, to create a broad variety of optimally designed, next-generation protein therapeutics, initially for cancer. The Company was incorporated on April 21, 2003, and is headquartered in South San Francisco, California. </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company operates in one business segment, the development of biopharmaceutical products. <span style="font-size:12pt;"> </span> <span style="font-size:12pt;"> </span></p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Arial;text-transform:none;font-variant: normal;">Liquidity </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:2.86%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Arial;text-transform:none;font-variant: normal;">At-The-Market Sales</p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.57%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">During the year ended December 31, 2020, the Company sold an aggregate of 2,614,286 shares of its common stock through its At-the-Market (“ATM Facility”) pursuant to its Common Stock Sales Agreement<sup style="font-size:85%;line-height:120%;vertical-align:top"> </sup>dated October 4, 2019 with Cowen and Company, LLC, as sales agent. The gross proceeds from these sales were approximately $24.6 million, before deducting fees of approximately $0.8 million, resulting in net proceeds of approximately $23.8 million to the Company. </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:2.86%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Arial;text-transform:none;font-variant: normal;">2020 Public Offerings</p> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:3.57%;font-family:Arial;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On May 14, 2020, the Company closed a public offering of 12,650,000 shares of its common stock at a public offering price of $7.75 per share, which included the exercise in full of the underwriters’ option to purchase 1,650,000 shares of common stock. <span style="Background-color:#FFFFFF;color:#000000;">The gross proceeds from this offering were approximately $98.0 million, before deducting approximately $6.6 million of underwriting discounts and commissions and other offering expenses, resulting in net proceeds of approximately $91.4 million to the Company. </span> </p> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:3.57%;font-family:Arial;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On December 11, 2020, the Company closed a public offering of 6,900,000 shares of its common stock at a public offering price of $21.00 per share, which included the exercise in full of the underwriters’ option to purchase 900,000 shares of common stock. <span style="Background-color:#FFFFFF;color:#000000;">The gross proceeds from this offering were approximately $144.9 million, before deducting approximately $9.1 million of underwriting discounts and commissions and other offering expenses, resulting in net proceeds of approximately $135.8 million to the Company. </span></p> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:2.86%;font-weight:bold;font-style:italic;font-family:Arial;font-size:10pt;text-transform:none;font-variant: normal;">Term Loan</p> <p style="margin-top:12pt;margin-bottom:0pt;text-indent:2.86%;font-family:Arial;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On February 28, 2020, the Company entered into a loan and security agreement (the “Loan and Security Agreement”) with Oxford Finance LLC (“Oxford”), as the collateral agent and a lender, and Silicon Valley Bank, as a lender (together with Oxford, the “Lenders”), pursuant to which the Lenders agreed to lend the Company up to an aggregate of $25.0 million in a series of term loans (the “Term A Loan”). Upon entering into the Loan and Security Agreement, the Company borrowed $25.0 million from the Lenders, with approximately $9.6 million of such amount applied to the repayment of the outstanding principal, interest and final payment fees owed pursuant to a prior loan and security agreement dated August 4, 2017 with the Lenders. The net proceeds from the Term Loans under the Loan and Security Agreement may be used to satisfy the Company’s future working capital needs and to fund its general business requirements. Please see an expanded discussion on the Loan and Security Agreement in Note 7<span style="font-family:Times New Roman;"> </span><span style="font-style:italic;">Loan and Security Agreement</span>.</p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company has incurred significant losses and has negative cash flows from operations. As of December 31, 2020, there was an accumulated deficit of $227.9 million. Management expects to continue to incur additional substantial losses in the foreseeable future as a result of the Company’s research and development and other operational activities. </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As of December 31, 2020, the Company had unrestricted cash, cash equivalents and marketable securities of $326.5 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.</p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:3.64%;font-size:10pt;font-family:Arial;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company believes that its unrestricted cash, cash equivalents and marketable securities as of December 31, 2020 will enable the Company to maintain its operation for a period of at least 12 months following the filing date of its financial statements. </p> | |
CY2020 | dei |
Entity Incorporation Date Of Incorporation
EntityIncorporationDateOfIncorporation
|
2003-04-21 | |
CY2020 | dei |
Entity Address City Or Town
EntityAddressCityOrTown
|
South San Francisco | |
CY2020 | dei |
Entity Address State Or Province
EntityAddressStateOrProvince
|
CA | |
CY2020 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2020Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-227900000 | |
CY2020Q4 | stro |
Unrestricted Cash Cash Equivalents And Marketable Securities At Carrying Value
UnrestrictedCashCashEquivalentsAndMarketableSecuritiesAtCarryingValue
|
326500000 | |
CY2020Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
900000 | |
CY2019Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
15000 | |
CY2019Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
4960000 | |
CY2019Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
15000 | |
CY2018Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
15000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
4975000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
125313000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
|
14700000 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
3000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
|
4500000 | |
CY2020Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
0 | |
CY2019Q4 | us-gaap |
Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
|
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 | |
CY2020Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
324845000 | |
CY2020Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
0 | |
CY2018 | stro |
Deemed Dividend
DeemedDividend
|
0 | |
CY2017 | stro |
Deemed Dividend
DeemedDividend
|
0 | |
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 | |
CY2019Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
131499000 | |
CY2019Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
168000 | |
CY2019Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
3000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
131664000 | |
CY2019Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
3000 | |
CY2020 | us-gaap |
Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings
|
0 | |
CY2019Q4 | us-gaap |
Marketable Securities Noncurrent
MarketableSecuritiesNoncurrent
|
15600000 | |
CY2019 | us-gaap |
Other Than Temporary Impairment Loss Debt Securities Available For Sale Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings
|
0 | |
CY2020Q4 | us-gaap |
Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
|
14600000 | |
CY2020Q4 | us-gaap |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
|
P12M | |
CY2020Q4 | stro |
Convertible Preferred Stock Warrant Liability Fair Value
ConvertiblePreferredStockWarrantLiabilityFairValue
|
200000 | |
CY2019Q4 | stro |
Convertible Preferred Stock Warrant Liability Fair Value
ConvertiblePreferredStockWarrantLiabilityFairValue
|
100000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
49762000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
43481000 | |
CY2020Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
36827000 | |
CY2019Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
33848000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
12935000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
9633000 | |
CY2020Q4 | us-gaap |
Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
|
200000 | |
CY2019Q4 | us-gaap |
Interest Payable Current And Noncurrent
InterestPayableCurrentAndNoncurrent
|
400000 | |
CY2020 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
2300000 | |
CY2019 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
1100000 | |
CY2018 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
1600000 | |
CY2020 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0808 | |
CY2019 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0872 | |
CY2018 | us-gaap |
Debt Instrument Interest Rate During Period
DebtInstrumentInterestRateDuringPeriod
|
0.0839 | |
CY2020 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
500000 | |
CY2019 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
200000 | |
CY2018 | us-gaap |
Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
|
200000 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
266724 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due Next Twelve Months
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDueNextTwelveMonths
|
5742000 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due Year Two
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDueYearTwo
|
5183000 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due Year Three
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDueYearThree
|
6310000 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due Year Four
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDueYearFour
|
7476000 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due Year Five And Thereafter
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDueYearFiveAndThereafter
|
24034000 | |
CY2020Q4 | stro |
Lessee Operating Leases And Sublease Liability Payments Due
LesseeOperatingLeasesAndSubleaseLiabilityPaymentsDue
|
48745000 | |
CY2020 | stro |
Potential Financial Benefit Base Rent Abatement
PotentialFinancialBenefitBaseRentAbatement
|
5200 | |
CY2020 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
4700 | |
CY2019 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
3600 | |
CY2018 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
3600 | |
CY2020 | us-gaap |
Common Stock Voting Rights
CommonStockVotingRights
|
one vote per share | |
CY2020Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
8331103 | |
CY2019Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
7357234 | |
CY2018Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
10000000 | |
CY2018Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.001 | |
CY2020Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2019Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
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 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
200000 | |
CY2020Q4 | stro |
Liability Attributable To Call Option Plan
LiabilityAttributableToCallOptionPlan
|
109000 | |
CY2019Q4 | stro |
Liability Attributable To Call Option Plan
LiabilityAttributableToCallOptionPlan
|
76000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0 | |
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 | |
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 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
9.48 | |
CY2020 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
11917000 | |
CY2019 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
10312000 | |
CY2018 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2872000 | |
CY2020 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
257834 | |
CY2019 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
191153 | |
CY2020Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
8890 | |
CY2019Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
|
75571 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent
|
-0.005 | |
CY2019 | stro |
Effective Income Tax Rate Reconciliation Asc606 Adoption Percent
EffectiveIncomeTaxRateReconciliationASC606AdoptionPercent
|
-0.039 | |
CY2020 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
100000 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.061 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.020 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.047 | |
CY2020 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
-0.003 | |
CY2019 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
0 | |
CY2018 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
0 | |
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 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits
EffectiveIncomeTaxRateReconciliationTaxCredits
|
0.075 | |
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 Share Based Compensation Excess Tax Benefit Percent
EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent
|
-0.013 | |
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 | |
CY2018 | 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 | |
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 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.327 | |
CY2018 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
47549000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
31010000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
25175000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
20098000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
3629000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
7680000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
|
6460000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
|
3718000 | |
CY2020Q4 | stro |
Deferred Tax Assets Fixed Assets
DeferredTaxAssetsFixedAssets
|
917000 | |
CY2019Q4 | stro |
Deferred Tax Assets Fixed Assets
DeferredTaxAssetsFixedAssets
|
795000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
83730000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
63301000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities Investments
DeferredTaxLiabilitiesInvestments
|
9298000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
9298000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
74432000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
63301000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
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 | |
CY2020 | 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. | |
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 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
2800000 | |
CY2020 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
0 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
3783000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
2795000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
2305000 | |
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 | |
CY2018 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
741000 | |
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 | |
CY2018 | stro |
Unrecognized Tax Benefits Increase Decrease Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreaseDecreaseResultingFromPriorPeriodTaxPositions
|
-251000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
4902000 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
3783000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
2795000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-32128000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-55744000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-35317000 | |
CY2020 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
32573469 | |
CY2019 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
22958577 | |
CY2018 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
5758875 | |
CY2020 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.99 | |
CY2019 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-2.43 | |
CY2018 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-6.13 | |
CY2019Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-14250000 | |
CY2019Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.65 | |
CY2019Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.56 | |
CY2019Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.60 | |
CY2019Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.62 | |
CY2019Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-13793000 | |
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 | |
CY2018 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
3524187 | |
CY2020Q4 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
8278000 | |
CY2020Q3 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
17823000 | |
CY2020Q2 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
9469000 | |
CY2020Q1 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
7152000 | |
CY2020Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-59544000 | |
CY2020Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
17139000 | |
CY2020Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
29872000 | |
CY2020Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-19595000 | |
CY2020Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-1.48 | |
CY2020Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.46 | |
CY2020Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.00 | |
CY2020Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
-0.84 | |
CY2020Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-1.48 | |
CY2020Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.45 | |
CY2020Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.94 | |
CY2020Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
-0.84 | |
CY2019Q4 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
11305000 | |
CY2019Q3 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
12277000 | |
CY2019Q2 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
10525000 | |
CY2019Q1 | us-gaap |
Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
|
8629000 | |
CY2019Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-14789000 | |
CY2019Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-12912000 |