$GOSS
Gossamer Bio, Inc. Stock $goss

$goss Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000172811723000010 Filed on March 17, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$0.00	$0.00	$0.00
YoY Change
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$9.632M	$12.83M	$45.81M
YoY Change	-19.74%	19.79%	3.92%
% of Gross Profit
Research & Development	$37.80M	$41.51M	$170.9M
YoY Change	-10.7%	1.41%	0.38%
% of Gross Profit
Depreciation & Amortization	$500.0K	$460.0K	$1.832M
YoY Change	0.0%	2.68%	5.29%
% of Gross Profit
Operating Expenses	$47.94M	$54.34M	$218.6M
YoY Change	-11.78%	5.22%	1.14%
Operating Profit	-$47.94M		-$218.6M
YoY Change	-11.78%		1.14%
Interest Expense	$3.500M	-$2.863M	$13.88M
YoY Change	0.95%	-39.1%	-28.6%
% of Operating Profit
Other Income/Expense, Net	-$1.223M	$1.456M	$1.512M
YoY Change	-64.47%	1766.67%	89.24%
Pretax Income	-$49.17M	-$55.76M	-$229.4M
YoY Change	-14.92%	-0.92%	-1.98%
Income Tax
% Of Pretax Income
Net Earnings	-$49.17M	-$55.76M	-$229.4M
YoY Change	-14.92%	-0.92%	-1.98%
Net Earnings / Revenue
Basic Earnings Per Share	-$0.52		-$2.71
Diluted Earnings Per Share	-$0.52	-$0.59	-$2.71
COMMON SHARES
Basic Shares Outstanding	94.98M shares	94.48M shares	84.57M shares
Diluted Shares Outstanding	94.87M shares		84.57M shares

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$201.9M	$255.7M	$255.7M
YoY Change	-25.69%	-21.38%	-21.38%
Cash & Equivalents	$65.24M	$112.0M	$112.0M
Short-Term Investments	$136.6M	$143.7M	$143.7M
Other Short-Term Assets	$8.557M	$6.202M	$6.202M
YoY Change	-6.49%	-5.49%	-5.49%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$210.4M	$261.9M	$261.9M
YoY Change	-25.06%	-21.07%	-21.07%
LONG-TERM ASSETS
Property, Plant & Equipment	$3.516M	$3.981M	$9.890M
YoY Change	-30.03%	-25.17%	-8.4%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$743.0K	$680.0K	$680.0K
YoY Change	-27.09%	-37.04%	-37.04%
Total Long-Term Assets	$9.493M	$10.57M	$10.57M
YoY Change	-31.73%	-11.0%	-11.0%
TOTAL ASSETS
Total Short-Term Assets	$210.4M	$261.9M	$261.9M
Total Long-Term Assets	$9.493M	$10.57M	$10.57M
Total Assets	$219.9M	$272.5M	$272.5M
YoY Change	-25.37%	-20.72%	-20.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.731M	$1.459M	$1.459M
YoY Change	361.32%	-55.02%	-55.02%
Accrued Expenses	$14.70M	$20.53M	$36.16M
YoY Change	-13.6%	0.6%	-1.25%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$11.61M	$11.61M	$11.61M
YoY Change
Total Short-Term Liabilities	$40.57M	$49.23M	$49.23M
YoY Change	17.37%	23.51%	23.51%
LONG-TERM LIABILITIES
Long-Term Debt	$9.221M	$11.99M	$207.7M
YoY Change	-68.39%	-58.77%	15.96%
Other Long-Term Liabilities	$2.645M	$3.446M	$3.446M
YoY Change	-53.65%	7.09%	7.09%
Total Long-Term Liabilities	$9.221M	$11.99M	$211.1M
YoY Change	-68.39%	-58.77%	15.8%
TOTAL LIABILITIES
Total Short-Term Liabilities	$40.57M	$49.23M	$49.23M
Total Long-Term Liabilities	$9.221M	$11.99M	$211.1M
Total Liabilities	$248.4M	$260.4M	$260.4M
YoY Change	-6.11%	17.18%	17.18%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.081B	-$1.032B
YoY Change	25.66%	27.19%
Common Stock	$1.053B	$1.045B
YoY Change	18.21%	12.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	-$28.46M	$12.08M	$12.08M
YoY Change
Total Liabilities & Shareholders Equity	$219.9M	$272.5M	$272.5M
YoY Change	-25.37%	-20.72%	-20.72%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	-$49.17M	-$55.76M	-$229.4M
YoY Change	-14.92%	-0.92%	-1.98%
Depreciation, Depletion And Amortization	$500.0K	$460.0K	$1.832M
YoY Change	0.0%	2.68%	5.29%
Cash From Operating Activities	-$52.99M	-$47.73M	-$187.0M
YoY Change	-0.92%	17.83%	-0.98%
INVESTING ACTIVITIES
Capital Expenditures	$0.00	$102.0K	$410.0K
YoY Change	-100.0%	-222.89%	-73.48%
Acquisitions
YoY Change
Other Investing Activities	$8.722M	$8.566M	-$625.0K
YoY Change	1.69%	-18.62%	-99.46%
Cash From Investing Activities	$8.722M	$8.464M	-$1.035M
YoY Change	3.59%	-18.95%	-99.12%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$0.00
YoY Change
Debt Paid & Issued, Net	$2.903M		$5.806M
YoY Change
Cash From Financing Activities	-$2.536M	-2.873M	$117.1M
YoY Change	-451.73%	-874.39%	3417.27%
NET CHANGE
Cash From Operating Activities	-$52.99M	-47.73M	-$187.0M
Cash From Investing Activities	$8.722M	8.464M	-$1.035M
Cash From Financing Activities	-$2.536M	-2.873M	$117.1M
Net Change In Cash	-$46.73M	-42.14M	-$71.49M
YoY Change	5.02%	41.91%	-76.42%
FREE CASH FLOW
Cash From Operating Activities	-$52.99M	-$47.73M	-$187.0M
Capital Expenditures	$0.00	$102.0K	$410.0K
Free Cash Flow	-$52.99M	-$47.83M	-$187.4M
YoY Change	-1.21%	18.32%	-1.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2022	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	170919000	usd
CY2021	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	170267000	usd
CY2020	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	160854000	usd
CY2022	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	65000	usd
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2021	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	75000	usd
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CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	47609000	usd
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CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	49728000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	218593000	usd
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CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-218593000	usd
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CY2022	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1583000	usd
CY2021	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	761000	usd
CY2020	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3442000	usd
CY2022	us-gaap	Interest Expense InterestExpense	13880000	usd
CY2021	us-gaap	Interest Expense InterestExpense	19440000	usd
CY2020	us-gaap	Interest Expense InterestExpense	12666000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	799000	usd
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-174000	usd
CY2022	goss	Nonoperating Income Expense Including Interest Expense NonoperatingIncomeExpenseIncludingInterestExpense	-10785000	usd
CY2021	goss	Nonoperating Income Expense Including Interest Expense NonoperatingIncomeExpenseIncludingInterestExpense	-17880000	usd
CY2020	goss	Nonoperating Income Expense Including Interest Expense NonoperatingIncomeExpenseIncludingInterestExpense	-9398000	usd
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001728117
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CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	San Diego, California
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CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	183403000	usd
CY2022Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	143705000	usd
CY2021Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	141815000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	usd
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CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6202000	usd
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CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3981000	usd
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CY2022Q4	goss	Long Term Convertible Senior Notes LongTermConvertibleSeniorNotes	195709000	usd
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CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84574869	shares
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CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	1612000	usd
CY2022	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-1000	usd
CY2021	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-28000	usd
CY2020	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-187032000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-188890000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-176360000	usd
CY2022	goss	Payments For Proceeds From Research And Development Asset Acquisitions PaymentsForProceedsFromResearchAndDevelopmentAssetAcquisitions	65000	usd
CY2021	goss	Payments For Proceeds From Research And Development Asset Acquisitions PaymentsForProceedsFromResearchAndDevelopmentAssetAcquisitions	75000	usd
CY2020	goss	Payments For Proceeds From Research And Development Asset Acquisitions PaymentsForProceedsFromResearchAndDevelopmentAssetAcquisitions	23380000	usd
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	238060000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	152031000	usd
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	108968000	usd
CY2022	goss	Proceeds From Maturity Of Marketable Securities ProceedsFromMaturityOfMarketableSecurities	237500000	usd
CY2021	goss	Proceeds From Maturity Of Marketable Securities ProceedsFromMaturityOfMarketableSecurities	36225000	usd
CY2020	goss	Proceeds From Maturity Of Marketable Securities ProceedsFromMaturityOfMarketableSecurities	265678000	usd
CY2022	goss	Proceeds From Sale Of Marketable Securities ProceedsFromSaleOfMarketableSecurities	0	usd
CY2021	goss	Proceeds From Sale Of Marketable Securities ProceedsFromSaleOfMarketableSecurities	0	usd
CY2020	goss	Proceeds From Sale Of Marketable Securities ProceedsFromSaleOfMarketableSecurities	83515000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	410000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1546000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1503000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1035000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-117427000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	215342000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	117110000	usd
CY2022	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2021	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	usd
CY2020	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	193596000	usd
CY2022	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	119946000	usd
CY2021	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	0	usd
CY2022	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1214000	usd
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1315000	usd
CY2020	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1300000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1736000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2014000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	534000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5806000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	117090000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	3329000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	312540000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-517000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-165000	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	9000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-71494000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-303153000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	351531000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	183467000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	486620000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	135089000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	111973000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	183467000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	486620000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	12712000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	12738000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	7871000	usd
CY2022	goss	Right Of Use Assets Obtained In Exchange For Lease Liabilities RightOfUseAssetsObtainedInExchangeForLeaseLiabilities	3029000	usd
CY2021	goss	Right Of Use Assets Obtained In Exchange For Lease Liabilities RightOfUseAssetsObtainedInExchangeForLeaseLiabilities	0	usd
CY2020	goss	Right Of Use Assets Obtained In Exchange For Lease Liabilities RightOfUseAssetsObtainedInExchangeForLeaseLiabilities	3106000	usd
CY2022	goss	Derecognition Of Operating Lease Obligation And Right Of Use Asset DerecognitionOfOperatingLeaseObligationAndRightOfUseAsset	0	usd
CY2021	goss	Derecognition Of Operating Lease Obligation And Right Of Use Asset DerecognitionOfOperatingLeaseObligationAndRightOfUseAsset	1650000	usd
CY2020	goss	Derecognition Of Operating Lease Obligation And Right Of Use Asset DerecognitionOfOperatingLeaseObligationAndRightOfUseAsset	0	usd
CY2022	goss	Noncash Investing And Financing Activities Change In Unrealized Gain On Marketable Securities Net Of Tax NoncashInvestingAndFinancingActivitiesChangeInUnrealizedGainOnMarketableSecuritiesNetOfTax	-75000	usd
CY2021	goss	Noncash Investing And Financing Activities Change In Unrealized Gain On Marketable Securities Net Of Tax NoncashInvestingAndFinancingActivitiesChangeInUnrealizedGainOnMarketableSecuritiesNetOfTax	-225000	usd
CY2020	goss	Noncash Investing And Financing Activities Change In Unrealized Gain On Marketable Securities Net Of Tax NoncashInvestingAndFinancingActivitiesChangeInUnrealizedGainOnMarketableSecuritiesNetOfTax	-100000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	83000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	15000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1032200000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-811500000	usd
	goss	Funds Raised Through Preferred Equity Financing Convertible Note Financings And Completed Initial Public Offering FundsRaisedThroughPreferredEquityFinancingConvertibleNoteFinancingsAndCompletedInitialPublicOffering	1062100000	usd
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:10pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:10pt;text-indent:72pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of expenses during the reporting period. The most significant estimates in the Company’s consolidated financial statements relate to accrued research and development expenses. These estimates and assumptions are based on current facts, historical experience and various other factors believed </span></div>to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the recording of expenses that are not readily apparent from other sources. Actual results could differ from those estimates.
CY2022	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	37000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	18000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	16000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4448000	usd
CY2022Q4	goss	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	1354000	usd
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	31159100	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	24317779	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	25053803	shares
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	13534000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	11916000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2983000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2902000	usd
CY2022Q4	goss	Accrued Consulting Fees Current AccruedConsultingFeesCurrent	1104000	usd
CY2021Q4	goss	Accrued Consulting Fees Current AccruedConsultingFeesCurrent	956000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1065000	usd
CY2021Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1066000	usd
CY2022Q4	goss	Accrued Legal Fees Current AccruedLegalFeesCurrent	380000	usd
CY2021Q4	goss	Accrued Legal Fees Current AccruedLegalFeesCurrent	202000	usd
CY2022Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	0	usd
CY2021Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	2375000	usd
CY2022Q4	goss	Accrued Accounting Fees Current AccruedAccountingFeesCurrent	521000	usd
CY2021Q4	goss	Accrued Accounting Fees Current AccruedAccountingFeesCurrent	154000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	945000	usd
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	839000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	20532000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	20410000	usd
CY2021Q4	goss	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	1285000	usd
CY2020Q4	goss	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	2383000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2514000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2238000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	2137000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	21840000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	143829000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	13000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	137000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	143705000	usd
CY2022Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	31500000	usd
CY2021Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	10000000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	143705000	usd
CY2022Q4	goss	Available For Sale Securities Debt Maturities After One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneYearFairValue	0	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	143705000	usd
CY2021Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	0	usd
CY2020Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	0	usd
CY2022	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	65000	usd
CY2021	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	75000	usd
CY2020	us-gaap	Research And Development In Process ResearchAndDevelopmentInProcess	23380000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-175777000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-183194000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-186888000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-53593000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-50802000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-56472000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-229370000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-233996000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-243360000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	56300000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	128989000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	116425000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	77946000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	34193000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	24964000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	17372000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	8487000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	9190000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	10939000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	8445000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4917000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	205859000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	159037000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	115241000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	0	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	9395000	usd
CY2020Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	10592000	usd
CY2022Q4	goss	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	1244000	usd
CY2021Q4	goss	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	1150000	usd
CY2020Q4	goss	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	2215000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	565000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	790000	usd
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	776000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1809000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	11335000	usd
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13583000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	204050000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	147702000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	101658000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	usd
CY2020Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2100
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.2025
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.1973
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.1950
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.0339
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.0262
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.0276
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0188
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0195
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.0164
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.0090
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.0156
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.0181
CY2022	goss	Effective Income Tax Rate Reconciliation Nondeductible Expense Interest Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestPercent	-0.0099
CY2021	goss	Effective Income Tax Rate Reconciliation Nondeductible Expense Interest Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestPercent	-0.0096
CY2020	goss	Effective Income Tax Rate Reconciliation Nondeductible Expense Interest Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseInterestPercent	0
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0037
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0057
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0080
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7551000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5060000	usd
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2754000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3021000	usd
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2491000	usd
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	2306000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10572000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7551000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5060000	usd
CY2022Q4	goss	Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate	10600000	usd
CY2022	goss	Common Stock Voting Rights Number Of Votes Per Share CommonStockVotingRightsNumberOfVotesPerShare	1	vote
CY2020Q2	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	9433963	shares
CY2020Q2	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	13.25
CY2020Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	117100000	usd
CY2022Q4	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Number Of Shares SharesSubjectToMandatoryRedemptionSettlementTermsNumberOfShares	55227	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8538060	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.67
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P9Y
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	35385000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2712372	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	13.78
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	134803	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.96
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1714547	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	15.99
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9401082	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.42
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y1M6D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	10182000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	3159126	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	9.82
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	325494	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.19
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	2800054	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	14.14
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	9434660	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.24
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y4M24D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	15822000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	9271272	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	6.75
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	270707	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.41
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	948060	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	15.69
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	17487165	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	9.24
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y1M6D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	47000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	17487165	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	9.24
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P8Y1M6D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	47000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	6433686	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	12.19
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P6Y4M24D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	0	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	42553000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	32008000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38748000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	10093000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	9600000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6112000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4280000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3981000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5320000	usd
CY2022	us-gaap	Depreciation Depreciation	1800000	usd
CY2021	us-gaap	Depreciation Depreciation	1700000	usd
CY2020	us-gaap	Depreciation Depreciation	1400000	usd
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.07
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	3097000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	4029000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	3615000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	45000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	53000	usd
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	78000	usd
CY2022	us-gaap	Lease Cost LeaseCost	3142000	usd
CY2021	us-gaap	Lease Cost LeaseCost	4082000	usd
CY2020	us-gaap	Lease Cost LeaseCost	3693000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	3200000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	4000000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3319000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3419000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	144000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	6882000	usd
CY2022Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	453000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6429000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2983000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3446000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	6429000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	3300000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	4300000	usd
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	4000000	usd

Files In Submission

Name	View Source	Status
goss-20221231_cal.xml	Edgar Link	unprocessable
0001728117-23-000010-index-headers.html	Edgar Link	pending
0001728117-23-000010-index.html	Edgar Link	pending
0001728117-23-000010.txt	Edgar Link	pending
0001728117-23-000010-xbrl.zip	Edgar Link	pending
a1.gif	Edgar Link	pending
a11.gif	Edgar Link	pending
a12.gif	Edgar Link	pending
a13.gif	Edgar Link	pending
a14.gif	Edgar Link	pending
a15.gif	Edgar Link	pending
capture11a.jpg	Edgar Link	pending
capture12a.jpg	Edgar Link	pending
capture13a.jpg	Edgar Link	pending
capture1a.jpg	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
goss-20221231.htm	Edgar Link	pending
goss-20221231.xsd	Edgar Link	pending
goss-20221231x10kexx1023.htm	Edgar Link	pending
goss-20221231x10kexx1024.htm	Edgar Link	pending
goss-20221231x10kexx107.htm	Edgar Link	pending
goss-20221231x10kexx211.htm	Edgar Link	pending
goss-20221231x10kexx231.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
goss-20221231x10kexx311.htm	Edgar Link	pending
goss-20221231x10kexx312.htm	Edgar Link	pending
goss-20221231x10kexx321.htm	Edgar Link	pending
goss-20221231x10kexx322.htm	Edgar Link	pending
goss-20221231_g1.jpg	Edgar Link	pending
goss-20221231_g2.jpg	Edgar Link	pending
image_0a.jpg	Edgar Link	pending
image_2a.jpg	Edgar Link	pending
image_8.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
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R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
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R3.htm	Edgar Link	pending
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R34.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
goss-20221231_def.xml	Edgar Link	unprocessable
goss-20221231_lab.xml	Edgar Link	unprocessable
goss-20221231_pre.xml	Edgar Link	unprocessable
goss-20221231_htm.xml	Edgar Link	completed
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
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R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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2023 Q1 Form 10-K Financial Statement

#000172811723000010 Filed on March 17, 2023

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Facts In Submission

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$GOSS Gossamer Bio, Inc. Stock $goss

2023 Q1 Form 10-K Financial Statement

#000172811723000010 Filed on March 17, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GOSS
Gossamer Bio, Inc. Stock $goss