3.23.2 html 201 267 1 true 58 0 false 8 false false R1.htm 100000 - Document - Cover Page Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CoverPage Cover Page Cover 1 false false R2.htm 100010 - Statement - Consolidated Balance Sheets Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 100030 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100040 - Statement - Consolidated Statements of Operations Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 100050 - Statement - Consolidated Statements of Comprehensive Loss Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedStatementsOfComprehensiveLoss Consolidated Statements of Comprehensive Loss Statements 5 false false R6.htm 100060 - Statement - Consolidated Statements of Stockholders' (Deficit) Equity Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedStatementsOfStockholdersDeficitEquity Consolidated Statements of Stockholders' (Deficit) Equity Statements 6 false false R7.htm 100070 - Statement - Consolidated Statements of Cash Flows Sheet http://contrafectcorporation.com/20230630/taxonomy/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 100080 - Disclosure - Organization and Description of Business Sheet http://contrafectcorporation.com/20230630/taxonomy/role/OrganizationAndDescriptionOfBusiness Organization and Description of Business Notes 8 false false R9.htm 100090 - Disclosure - Summary of Significant Accounting Policies Sheet http://contrafectcorporation.com/20230630/taxonomy/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 9 false false R10.htm 100100 - Disclosure - Marketable Securities Sheet http://contrafectcorporation.com/20230630/taxonomy/role/MarketableSecurities Marketable Securities Notes 10 false false R11.htm 100110 - Disclosure - Fair Value Measurements Sheet http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurements Fair Value Measurements Notes 11 false false R12.htm 100120 - Disclosure - Accrued and Other Current Liabilities Sheet http://contrafectcorporation.com/20230630/taxonomy/role/AccruedAndOtherCurrentLiabilities Accrued and Other Current Liabilities Notes 12 false false R13.htm 100130 - Disclosure - Net Loss Per Share of Common Stock Sheet http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStock Net Loss Per Share of Common Stock Notes 13 false false R14.htm 100140 - Disclosure - Commitments and Contingencies Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingencies Commitments and Contingencies Notes 14 false false R15.htm 100150 - Disclosure - Restructuring Sheet http://contrafectcorporation.com/20230630/taxonomy/role/Restructuring Restructuring Notes 15 false false R16.htm 100160 - Disclosure - Capital Structure Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CapitalStructure Capital Structure Notes 16 false false R17.htm 100170 - Disclosure - Stock Warrants Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockWarrants Stock Warrants Notes 17 false false R18.htm 100180 - Disclosure - Stock Option and Incentive Plans Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlans Stock Option and Incentive Plans Notes 18 false false R19.htm 100190 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://contrafectcorporation.com/20230630/taxonomy/role/SummaryOfSignificantAccountingPolicies 19 false false R20.htm 100200 - Disclosure - Marketable Securities (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/MarketableSecuritiesTables Marketable Securities (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/MarketableSecurities 20 false false R21.htm 100210 - Disclosure - Fair Value Measurements (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurements 21 false false R22.htm 100220 - Disclosure - Accrued and Other Current Liabilities (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/AccruedAndOtherCurrentLiabilitiesTables Accrued and Other Current Liabilities (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/AccruedAndOtherCurrentLiabilities 22 false false R23.htm 100230 - Disclosure - Net Loss Per Share of Common Stock (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStockTables Net Loss Per Share of Common Stock (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStock 23 false false R24.htm 100240 - Disclosure - Commitments and Contingencies (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingencies 24 false false R25.htm 100250 - Disclosure - Restructuring (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/RestructuringTables Restructuring (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/Restructuring 25 false false R26.htm 100260 - Disclosure - Capital Structure (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CapitalStructureTables Capital Structure (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/CapitalStructure 26 false false R27.htm 100270 - Disclosure - Stock Warrants (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockWarrantsTables Stock Warrants (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/StockWarrants 27 false false R28.htm 100280 - Disclosure - Stock Option and Incentive Plans (Tables) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlansTables Stock Option and Incentive Plans (Tables) Tables http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlans 28 false false R29.htm 100290 - Disclosure - Organization and Description of Business - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/OrganizationAndDescriptionOfBusinessAdditionalInformationDetail Organization and Description of Business - Additional Information (Detail) Details 29 false false R30.htm 100300 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 30 false false R31.htm 100310 - Disclosure - Marketable Securities - Schedule of Marketable Securities (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/MarketableSecuritiesScheduleOfMarketableSecuritiesDetail Marketable Securities - Schedule of Marketable Securities (Detail) Details 31 false false R32.htm 100320 - Disclosure - Marketable Securities - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/MarketableSecuritiesAdditionalInformationDetail Marketable Securities - Additional Information (Detail) Details 32 false false R33.htm 100330 - Disclosure - Fair Value Measurements - Information about Company's Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurementsInformationAboutCompanysFinancialAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail Fair Value Measurements - Information about Company's Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) Details 33 false false R34.htm 100340 - Disclosure - Fair Value Measurements - Assumption Used to Determine Fair Value of Warrant Liability (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurementsAssumptionUsedToDetermineFairValueOfWarrantLiabilityDetail Fair Value Measurements - Assumption Used to Determine Fair Value of Warrant Liability (Detail) Details 34 false false R35.htm 100350 - Disclosure - Fair Value Measurements - Reconciliation of Company's Financial Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3) (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/FairValueMeasurementsReconciliationOfCompanysFinancialLiabilitiesMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsLevel3Detail Fair Value Measurements - Reconciliation of Company's Financial Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3) (Detail) Details 35 false false R36.htm 100360 - Disclosure - Accrued and Other Current Liabilities - Summary of Accrued Liabilities (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/AccruedAndOtherCurrentLiabilitiesSummaryOfAccruedLiabilitiesDetail Accrued and Other Current Liabilities - Summary of Accrued Liabilities (Detail) Details 36 false false R37.htm 100370 - Disclosure - Accrued and Other Current Liabilities - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/AccruedAndOtherCurrentLiabilitiesAdditionalInformationDetail Accrued and Other Current Liabilities - Additional Information (Detail) Details 37 false false R38.htm 100380 - Disclosure - Net Loss Per Share of Common Stock - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStockAdditionalInformationDetail Net Loss Per Share of Common Stock - Additional Information (Detail) Details 38 false false R39.htm 100390 - Disclosure - Net Loss Per Share of Common Stock - Schedule of Computation of Basic and Diluted Loss Per Share for Common Stockholders (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStockScheduleOfComputationOfBasicAndDilutedLossPerShareForCommonStockholdersDetail Net Loss Per Share of Common Stock - Schedule of Computation of Basic and Diluted Loss Per Share for Common Stockholders (Detail) Details 39 false false R40.htm 100400 - Disclosure - Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted Average Shares Outstanding (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/NetLossPerShareOfCommonStockScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfDilutedWeightedAverageSharesOutstandingDetail Net Loss Per Share of Common Stock - Schedule of Antidilutive Securities Excluded from Computation of Diluted Weighted Average Shares Outstanding (Detail) Details 40 false false R41.htm 100410 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 41 false false R42.htm 100420 - Disclosure - Commitments and Contingencies - Schedule of Classification of Lease Liabilities (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingenciesScheduleOfClassificationOfLeaseLiabilitiesDetail Commitments and Contingencies - Schedule of Classification of Lease Liabilities (Detail) Details 42 false false R43.htm 100430 - Disclosure - Commitments and Contingencies - Maturities of Operating Lease Liabilities (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingenciesMaturitiesOfOperatingLeaseLiabilitiesDetail Commitments and Contingencies - Maturities of Operating Lease Liabilities (Detail) Details 43 false false R44.htm 100440 - Disclosure - Commitments and Contingencies - Lease Cost (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CommitmentsAndContingenciesLeaseCostDetail Commitments and Contingencies - Lease Cost (Detail) Details 44 false false R45.htm 100450 - Disclosure - Restructuring - Schedule of Restructuring Reserve by Type of Cost (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/RestructuringScheduleOfRestructuringReserveByTypeOfCostDetail Restructuring - Schedule of Restructuring Reserve by Type of Cost (Detail) Details 45 false false R46.htm 100460 - Disclosure - Restructuring - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/RestructuringAdditionalInformationDetail Restructuring - Additional Information (Detail) Details 46 false false R47.htm 100470 - Disclosure - Capital Structure - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CapitalStructureAdditionalInformationDetail Capital Structure - Additional Information (Detail) Details 47 false false R48.htm 100480 - Disclosure - Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/CapitalStructureSummaryOfCommonStockReservedForFutureIssuanceDetail Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail) Details 48 false false R49.htm 100490 - Disclosure - Stock Warrants - Schedule of Warrants Outstanding (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockWarrantsScheduleOfWarrantsOutstandingDetail Stock Warrants - Schedule of Warrants Outstanding (Detail) Details 49 false false R50.htm 100500 - Disclosure - Stock Option and Incentive Plans - Additional Information (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlansAdditionalInformationDetail Stock Option and Incentive Plans - Additional Information (Detail) Details 50 false false R51.htm 100510 - Disclosure - Stock Option and Incentive Plans - Summary of Stock Option Activity (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlansSummaryOfStockOptionActivityDetail Stock Option and Incentive Plans - Summary of Stock Option Activity (Detail) Details 51 false false R52.htm 100520 - Disclosure - Stock Option and Incentive Plans - Assumptions to Compute Fair Value of Stock Option Grants (Detail) Sheet http://contrafectcorporation.com/20230630/taxonomy/role/StockOptionAndIncentivePlansAssumptionsToComputeFairValueOfStockOptionGrantsDetail Stock Option and Incentive Plans - Assumptions to Compute Fair Value of Stock Option Grants (Detail) Details 52 false false All Reports Book All Reports cfrx-20230630.htm cfrx-20230630.xsd cfrx-20230630_cal.xml cfrx-20230630_def.xml cfrx-20230630_lab.xml cfrx-20230630_pre.xml cfrx-ex31_1.htm cfrx-ex31_2.htm cfrx-ex32_1.htm http://fasb.org/us-gaap/2023 http://xbrl.sec.gov/dei/2023 true true