3.24.1.1.u2 html 217 341 1 false 66 0 false 6 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnaudited Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 100020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsParentheticalUnaudited Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) Statements 3 false false R4.htm 100040 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveLossUnaudited Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Statements 4 false false R5.htm 100060 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Unaudited) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfStockholdersEquityUnaudited Condensed Consolidated Statements of Stockholders' Equity (Unaudited) Statements 5 false false R6.htm 100080 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 100090 - Disclosure - Organization Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureOrganization Organization Notes 7 false false R8.htm 100100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 100110 - Disclosure - Fair Value Measurements Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 9 false false R10.htm 100120 - Disclosure - Cash, Cash Equivalents and Investments Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureCashCashEquivalentsAndInvestments Cash, Cash Equivalents and Investments Notes 10 false false R11.htm 100130 - Disclosure - Balance Sheet Components Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponents Balance Sheet Components Notes 11 false false R12.htm 100140 - Disclosure - Leases Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureLeases Leases Notes 12 false false R13.htm 100150 - Disclosure - Stockholders Equity Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureStockholdersEquity Stockholders Equity Notes 13 false false R14.htm 100160 - Disclosure - Stock-Based Compensation Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensation Stock-Based Compensation Notes 14 false false R15.htm 100170 - Disclosure - Long-term Debt Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureLongtermDebt1 Long-term Debt Notes 15 false false R16.htm 100180 - Disclosure - Income Taxes Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 16 false false R17.htm 100190 - Disclosure - Net Loss Per Share Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureNetLossPerShare Net Loss Per Share Notes 17 false false R18.htm 100200 - Disclosure - Business Combination Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombination Business Combination Notes 18 false false R19.htm 100210 - Disclosure - Intangible Assets Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssets Intangible Assets Notes 19 false false R20.htm 100220 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPolicies 20 false false R21.htm 100230 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureFairValueMeasurements 21 false false R22.htm 100240 - Disclosure - Cash, Cash Equivalents and Investments (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureCashCashEquivalentsAndInvestmentsTables Cash, Cash Equivalents and Investments (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureCashCashEquivalentsAndInvestments 22 false false R23.htm 100250 - Disclosure - Balance Sheet Components (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponentsTables Balance Sheet Components (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponents 23 false false R24.htm 100260 - Disclosure - Leases (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureLeasesTables Leases (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureLeases 24 false false R25.htm 100270 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensation 25 false false R26.htm 100280 - Disclosure - Long-term Debt (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureLongtermDebtTables Long-term Debt (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/DisclosureLongtermDebt1 26 false false R27.htm 100290 - Disclosure - Net Loss Per Share (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureNetLossPerShareTables Net Loss Per Share (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureNetLossPerShare 27 false false R28.htm 100300 - Disclosure - Business Combination (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombinationTables Business Combination (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombination 28 false false R29.htm 100310 - Disclosure - Intangible Assets (Tables) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssetsTables Intangible Assets (Tables) Tables http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssets 29 false false R30.htm 100320 - Disclosure - Organization - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureOrganizationAdditionalInformationDetails Organization - Additional Information (Details) Details 30 false false R31.htm 100330 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetails Summary of Significant Accounting Policies - Additional Information (Details) Details 31 false false R32.htm 100340 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 32 false false R33.htm 100350 - Disclosure - Fair Value Measurements - Schedule of Financial Assets and Liabilities (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureFairValueMeasurementsScheduleOfFinancialAssetsAndLiabilitiesDetails Fair Value Measurements - Schedule of Financial Assets and Liabilities (Details) Details 33 false false R34.htm 100360 - Disclosure - Fair Value Measurements - Schedule of Changes in Present Value of Acquisition Related Accrued Earnouts of Contingent Consideration Liability (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureFairValueMeasurementsScheduleOfChangesInPresentValueOfAcquisitionRelatedAccruedEarnoutsOfContingentConsiderationLiabilityDetails Fair Value Measurements - Schedule of Changes in Present Value of Acquisition Related Accrued Earnouts of Contingent Consideration Liability (Details) Details 34 false false R35.htm 100370 - Disclosure - Fair Value Measurements - Summary of Quantitative Information About Fair Value Measurements (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureFairValueMeasurementsSummaryOfQuantitativeInformationAboutFairValueMeasurementsDetails Fair Value Measurements - Summary of Quantitative Information About Fair Value Measurements (Details) Details 35 false false R36.htm 100380 - Disclosure - Fair Value Measurements - Fair value of the Level 3 EIB Debt (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureFairValueMeasurementsFairValueOfTheLevel3EibDebtDetails Fair Value Measurements - Fair value of the Level 3 EIB Debt (Details) Details 36 false false R37.htm 100390 - Disclosure - Cash, Cash Equivalents and Investments - Summary of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureCashCashEquivalentsAndInvestmentsSummaryOfFairValuesOfCashCashEquivalentsAndShortTermInvestmentsMeasuredAtFairValueOnRecurringBasisDetails Cash, Cash Equivalents and Investments - Summary of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis (Details) Details 37 false false R38.htm 100400 - Disclosure - Cash, Cash Equivalents and Investments - Summary of Available-for-Sale Securities (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureCashCashEquivalentsAndInvestmentsSummaryOfAvailableforsaleSecuritiesDetails Cash, Cash Equivalents and Investments - Summary of Available-for-Sale Securities (Details) Details 38 false false R39.htm 100410 - Disclosure - Cash, Cash Equivalents and Investments - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureCashCashEquivalentsAndInvestmentsAdditionalInformationDetails Cash, Cash Equivalents and Investments - Additional Information (Details) Details 39 false false R40.htm 100420 - Disclosure - Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponentsScheduleOfPrepaidExpensesAndOtherCurrentAssetsDetails Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) Details 40 false false R41.htm 100430 - Disclosure - Balance Sheet Components - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBalanceSheetComponentsAdditionalInformationDetails Balance Sheet Components - Additional Information (Details) Details 41 false false R42.htm 100440 - Disclosure - Balance Sheet Components - Schedule of Other Assets (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBalanceSheetComponentsScheduleOfOtherAssetsDetails Balance Sheet Components - Schedule of Other Assets (Details) Details 42 false false R43.htm 100460 - Disclosure - Balance Sheet Components - Schedule of Property and Equipment, Net (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponentsScheduleOfPropertyAndEquipmentNetDetails Balance Sheet Components - Schedule of Property and Equipment, Net (Details) Details 43 false false R44.htm 100470 - Disclosure - Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureBalanceSheetComponentsScheduleOfAccruedExpensesAndOtherCurrentLiabilitiesDetails Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) Details 44 false false R45.htm 100480 - Disclosure - Balance Sheet Components - Summary of Accrued Severance (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBalanceSheetComponentsSummaryOfAccruedSeveranceDetails Balance Sheet Components - Summary of Accrued Severance (Details) Details 45 false false R46.htm 100490 - Disclosure - Leases - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureLeasesAdditionalInformationDetails Leases - Additional Information (Details) Details 46 false false R47.htm 100500 - Disclosure - Leases - Supplemental Balance Sheet Information Related to Leases (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureLeasesSupplementalBalanceSheetInformationRelatedToLeasesDetails Leases - Supplemental Balance Sheet Information Related to Leases (Details) Details 47 false false R48.htm 100510 - Disclosure - Stockholders Equity - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureStockholdersEquityAdditionalInformationDetails Stockholders Equity - Additional Information (Details) Details 48 false false R49.htm 100520 - Disclosure - Stock-Based Compensation - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetails Stock-Based Compensation - Additional Information (Details) Details 49 false false R50.htm 100530 - Disclosure - Stock-Based Compensation - Summary of Activity for Service-based Stock Options (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfActivityForServiceBasedStockOptionsDetails Stock-Based Compensation - Summary of Activity for Service-based Stock Options (Details) Details 50 false false R51.htm 100540 - Disclosure - Stock-Based Compensation - Summary of Restricted Stock Options (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureStockbasedCompensationSummaryOfRestrictedStockOptionsDetails Stock-Based Compensation - Summary of Restricted Stock Options (Details) Details 51 false false R52.htm 100550 - Disclosure - Stock-Based Compensation - Summary of Employee and Non-Employee Stock-Based Compensation Expense (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfEmployeeAndNonEmployeeStockBasedCompensationExpenseDetails Stock-Based Compensation - Summary of Employee and Non-Employee Stock-Based Compensation Expense (Details) Details 52 false false R53.htm 100560 - Disclosure - Long-term Debt - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureLongtermDebtAdditionalInformationDetails Long-term Debt - Additional Information (Details) Details 53 false false R54.htm 100570 - Disclosure - Long-term Debt - Schedule of Future Minimum Principal Payments (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureLongtermDebtScheduleOfFutureMinimumPrincipalPaymentsDetails Long-term Debt - Schedule of Future Minimum Principal Payments (Details) Details 54 false false R55.htm 100590 - Disclosure - Income Taxes - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetails Income Taxes - Additional Information (Details) Details 55 false false R56.htm 100600 - Disclosure - Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureNetLossPerShareScheduleOfComputationOfBasicAndDilutedNetLossPerShareDetails Net Loss Per Share - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) Details 56 false false R57.htm 100610 - Disclosure - Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Loss Per Share (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureNetLossPerShareScheduleOfOutstandingPotentiallyDilutiveSharesExcludedFromCalculationOfDilutedNetLossPerShareDetails Net Loss Per Share - Schedule of Outstanding Potentially Dilutive Shares Excluded from Calculation of Diluted Net Loss Per Share (Details) Details 57 false false R58.htm 100620 - Disclosure - Business Combination - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombinationAdditionalInformationDetails Business Combination - Additional Information (Details) Details 58 false false R59.htm 100630 - Disclosure - Business Combination - Schedule of Fair Value of the Total Purchase Consideration Transferred (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombinationScheduleOfFairValueOfTheTotalPurchaseConsiderationTransferredDetails Business Combination - Schedule of Fair Value of the Total Purchase Consideration Transferred (Details) Details 59 false false R60.htm 100640 - Disclosure - Business Combination - Schedule of Fair Value of the Total Purchase Consideration Transferred (Parenthetical) (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombinationScheduleOfFairValueOfTheTotalPurchaseConsiderationTransferredParentheticalDetails Business Combination - Schedule of Fair Value of the Total Purchase Consideration Transferred (Parenthetical) (Details) Details 60 false false R61.htm 100650 - Disclosure - Business Combination - Schedule of fair values of assets acquired and liabilities assumed (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureBusinessCombinationScheduleOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails Business Combination - Schedule of fair values of assets acquired and liabilities assumed (Details) Details 61 false false R62.htm 100670 - Disclosure - Intangible Assets - Schedule of Carrying Amount of Indefinite Lived Intangible Asset (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssetsScheduleOfCarryingAmountOfIndefiniteLivedIntangibleAssetDetails Intangible Assets - Schedule of Carrying Amount of Indefinite Lived Intangible Asset (Details) Details 62 false false R63.htm 100680 - Disclosure - Intangible Assets - Schedule of Carrying Amount of Finite-Lived Intangible Asset (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssetsScheduleOfCarryingAmountOfFinitelivedIntangibleAssetDetails Intangible Assets - Schedule of Carrying Amount of Finite-Lived Intangible Asset (Details) Details 63 false false R64.htm 100690 - Disclosure - Intangible Assets - Schedule carrying amount of goodwill (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssetsScheduleCarryingAmountOfGoodwillDetails Intangible Assets - Schedule carrying amount of goodwill (Details) Details 64 false false R65.htm 100700 - Disclosure - Intangible Assets - Additional Information (Details) Sheet http://www.quincetx.com/20240331/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformationDetails Intangible Assets - Additional Information (Details) Details 65 false false All Reports Book All Reports qncx-20240331.htm qncx-20240331.xsd img175908028_0.jpg img175908028_1.jpg img175908028_2.jpg img175908028_3.jpg img175908028_4.jpg http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 false false