3.23.1 html 152 200 1 false 52 0 false 4 false false R1.htm 100000 - Document - Cover Page Sheet http://viracta.com/20230331/taxonomy/role/CoverPage Cover Page Cover 1 false false R2.htm 100010 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://viracta.com/20230331/taxonomy/role/CondensedConsolidatedBalanceSheetsUnaudited Condensed Consolidated Balance Sheets (Unaudited) Statements 2 false false R3.htm 100040 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) Sheet http://viracta.com/20230331/taxonomy/role/CondensedConsolidatedBalanceSheetsParentheticalUnaudited Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) Statements 3 false false R4.htm 100050 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Sheet http://viracta.com/20230331/taxonomy/role/CondensedConsolidatedStatementsOfOperationsAndComprehensiveLossUnaudited Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Statements 4 false false R5.htm 100060 - Statement - Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) Sheet http://viracta.com/20230331/taxonomy/role/CondensedConsolidatedStatementsOfStockholdersEquityDeficitUnaudited Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) Statements 5 false false R6.htm 100070 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://viracta.com/20230331/taxonomy/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited Condensed Consolidated Statements of Cash Flows (Unaudited) Statements 6 false false R7.htm 100080 - Disclosure - Organization and Basis of Presentation Sheet http://viracta.com/20230331/taxonomy/role/OrganizationAndBasisOfPresentation Organization and Basis of Presentation Notes 7 false false R8.htm 100090 - Disclosure - Summary of Significant Accounting Policies Sheet http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 100100 - Disclosure - Collaboration and License Agreements Sheet http://viracta.com/20230331/taxonomy/role/DisclosureCollaborationAndLicenseAgreements Collaboration and License Agreements Notes 9 false false R10.htm 100130 - Disclosure - Financial Statement Details Sheet http://viracta.com/20230331/taxonomy/role/DisclosureFinancialStatementDetails1 Financial Statement Details Notes 10 false false R11.htm 100140 - Disclosure - Debt Sheet http://viracta.com/20230331/taxonomy/role/Debt Debt Notes 11 false false R12.htm 100160 - Disclosure - Stockholders' Equity Sheet http://viracta.com/20230331/taxonomy/role/StockholdersEquity Stockholders' Equity Notes 12 false false R13.htm 100170 - Disclosure - Commitments and Contingencies Sheet http://viracta.com/20230331/taxonomy/role/CommitmentsAndContingencies Commitments and Contingencies Notes 13 false false R14.htm 100190 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPolicies 14 false false R15.htm 100200 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPolicies 15 false false R16.htm 100210 - Disclosure - Financial Statement Details (Tables) Sheet http://viracta.com/20230331/taxonomy/role/FinancialStatementDetailsTables Financial Statement Details (Tables) Tables http://viracta.com/20230331/taxonomy/role/DisclosureFinancialStatementDetails1 16 false false R17.htm 100220 - Disclosure - Debt (Tables) Sheet http://viracta.com/20230331/taxonomy/role/DebtTables Debt (Tables) Tables http://viracta.com/20230331/taxonomy/role/Debt 17 false false R18.htm 100240 - Disclosure - Stockholders' Equity (Tables) Sheet http://viracta.com/20230331/taxonomy/role/StockholdersEquityTables Stockholders' Equity (Tables) Tables http://viracta.com/20230331/taxonomy/role/StockholdersEquity 18 false false R19.htm 100250 - Disclosure - Commitments and Contingencies (Tables) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://viracta.com/20230331/taxonomy/role/CommitmentsAndContingencies 19 false false R20.htm 100260 - Disclosure - Organization and Basis of Presentation - Additional Information (Detail) Sheet http://viracta.com/20230331/taxonomy/role/OrganizationAndBasisOfPresentationAdditionalInformationDetail Organization and Basis of Presentation - Additional Information (Detail) Details 20 false false R21.htm 100270 - Disclosure - Summary of Significant Accounting Policies - Summary of short-term investments measured at fair value on a recurring basis (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfShorttermInvestmentsMeasuredAtFairValueOnARecurringBasisDetails Summary of Significant Accounting Policies - Summary of short-term investments measured at fair value on a recurring basis (Details) Details 21 false false R22.htm 100280 - Disclosure - Summary of Significant Accounting Policies - Summary of assets including cash equivalents and marketable securities, measured at fair value (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesSummaryOfAssetsIncludingCashEquivalentsAndMarketableSecuritiesMeasuredAtFairValueDetails Summary of Significant Accounting Policies - Summary of assets including cash equivalents and marketable securities, measured at fair value (Details) Details 22 false false R23.htm 100310 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 23 false false R24.htm 100320 - Disclosure - Summary of Significant Accounting Policies - Summary of Antidilutive Securities Excluded From the Calculation of Weighted Average Dilutive Common Shares (Detail) Sheet http://viracta.com/20230331/taxonomy/role/SummaryOfSignificantAccountingPoliciesSummaryOfAntidilutiveSecuritiesExcludedFromTheCalculationOfWeightedAverageDilutiveCommonSharesDetail Summary of Significant Accounting Policies - Summary of Antidilutive Securities Excluded From the Calculation of Weighted Average Dilutive Common Shares (Detail) Details 24 false false R25.htm 100330 - Disclosure - Collaboration and License Agreements (Additional Information) (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureCollaborationAndLicenseAgreementsAdditionalInformationDetails Collaboration and License Agreements (Additional Information) (Details) Details http://viracta.com/20230331/taxonomy/role/DisclosureCollaborationAndLicenseAgreements 25 false false R26.htm 100340 - Disclosure - Financial Statement Details -Schedule Of Prepaid Expenses and Other Current Assets (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureFinancialStatementDetailsScheduleOfPrepaidExpensesAndOtherCurrentAssetsDetails Financial Statement Details -Schedule Of Prepaid Expenses and Other Current Assets (Details) Details 26 false false R27.htm 100350 - Disclosure - Financial Statement Details - Schedule of Accrued Liabilities (Detail) Sheet http://viracta.com/20230331/taxonomy/role/FinancialStatementDetailsScheduleOfAccruedLiabilitiesDetail Financial Statement Details - Schedule of Accrued Liabilities (Detail) Details 27 false false R28.htm 100360 - Disclosure - Financial Statement Details (Additional Information) (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureFinancialStatementDetailsAdditionalInformationDetails Financial Statement Details (Additional Information) (Details) Details http://viracta.com/20230331/taxonomy/role/FinancialStatementDetailsTables 28 false false R29.htm 100390 - Disclosure - Debt - Additional Information (Detail) Sheet http://viracta.com/20230331/taxonomy/role/DebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 29 false false R30.htm 100400 - Disclosure - Debt - Summary of Future Minimum Payments Under Loan Facility (Detail) Sheet http://viracta.com/20230331/taxonomy/role/DebtSummaryOfFutureMinimumPaymentsUnderLoanFacilityDetail Debt - Summary of Future Minimum Payments Under Loan Facility (Detail) Details 30 false false R31.htm 100430 - Disclosure - Stockholders' Equity - Additional Information (Detail) Sheet http://viracta.com/20230331/taxonomy/role/StockholdersEquityAdditionalInformationDetail Stockholders' Equity - Additional Information (Detail) Details 31 false false R32.htm 100450 - Disclosure - Stockholders' Equity - Summary of Shared Based Compensation Cost Included in Condensed Statement Of Operations (Detail) Sheet http://viracta.com/20230331/taxonomy/role/StockholdersEquitySummaryOfSharedBasedCompensationCostIncludedInCondensedStatementOfOperationsDetail Stockholders' Equity - Summary of Shared Based Compensation Cost Included in Condensed Statement Of Operations (Detail) Details 32 false false R33.htm 100490 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://viracta.com/20230331/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 33 false false R34.htm 100500 - Disclosure - Commitments and Contingencies - chedule of Future Minimum Payments for Operating Leases (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingenciesCheduleOfFutureMinimumPaymentsForOperatingLeasesDetails Commitments and Contingencies - chedule of Future Minimum Payments for Operating Leases (Details) Details 34 false false R35.htm 100510 - Disclosure - Commitments and Contingencies - Schedule Of Cash Flow Supplemental Disclosures (Details) Sheet http://viracta.com/20230331/taxonomy/role/DisclosureCommitmentsAndContingenciesScheduleOfCashFlowSupplementalDisclosuresDetails Commitments and Contingencies - Schedule Of Cash Flow Supplemental Disclosures (Details) Details 35 false false All Reports Book All Reports virx-20230331.htm virx-20230331.xsd virx-20230331_cal.xml virx-20230331_def.xml virx-20230331_lab.xml virx-20230331_pre.xml virx-ex31_1.htm virx-ex31_2.htm virx-ex32_1.htm virx-ex32_2.htm http://fasb.org/us-gaap/2022 http://xbrl.sec.gov/dei/2022 true true