Cover [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock Common stock warrant [Member] Statement [Line Items] Statement [Line Items] Document Type Document Type Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Entity Filer Category Entity Filer Category Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Current Fiscal Year End Date Entity File Number Entity Tax Identification Number Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Shell Company Document Quarterly Report Document Transition Report Entity Interactive Data Current Entity Current Reporting Status Entity Incorporation, State or Country Code Entity Address, State or Province Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding CONDENSED CONSOLIDATED BALANCE SHEETS Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Total prepaid expenses and other current assets Assets, Current Total current assets Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued and other current liabilities Total accrued and other current liabilities Accrued clinical site costs. Accrued clinical site costs Accrued clinical site costs Cash earnout liability Earnout Cash liability Contract with Customer, Liability, Current Warrant liabilities Notes payable and accrued interest current. Notes payable and accrued interest current Note payable and accrued interest Liabilities Total liabilities Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 50,000,000 shares authorized; 0 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively Common Stock, Value, Issued Common stock, $0.001 par value, 500,000,000 shares authorized; 67,641,314 and 58,810,550 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Ending balance Beginning balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Total shares of common stock immediately after Merger Common stock, shares outstanding CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Settlement Expense Settlement Expense Additional settlement liability Settlement expense Expense Reimbursement Expense Reimbursement Reimbursement of expenses from Relief Therapeutics Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other (income) expenses: Gain (Loss) on Extinguishment of Debt Gain on extinguishment of debt Gain on extinguishment of debt Interest Income, Other Interest income Interest Expense Interest expense Derivative, Gain (Loss) on Derivative, Net Change in fair value of warrant liability Effect of liability - classified warrants under the treasury stock method Change in fair value of warrant liability Net Increase or Decrease in the fair value of the earn out liabilities included in earnings in the period. Gain (Loss) on Fair Value of Cash Earn Out Liability Change in fair value of Earnout Cash liability Nonoperating Income (Expense) Total other (income) expenses Net Income (Loss) Attributable to Parent Net income (loss) - basic Net loss The amount of deemed dividend due to modifications of warrants that is an adjustment to net income apportioned to common stockholders. Deemed Dividend, Warrants Deemed dividend Deemed dividend Net Income (Loss) Available to Common Stockholders, Basic Net income (loss) attributable to common stockholders - basic Net loss attributable to common stockholders Net earnings (loss) per share attributable to common stockholders: Net loss per share: Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted n/a Net Earnings Per Share Basic And Diluted Abstract Net loss per share attributable to common stockholders: Income (Loss) from Continuing Operations, Per Basic Share Basic Income (Loss) from Continuing Operations, Per Diluted Share Diluted Weighted average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic Weighted average shares - basic Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted average shares - diluted CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Additional Paid-in Capital Accumulated Deficit Shares, Outstanding Ending balance (in shares) Beginning balance (in shares) Represents the value of common stock and warrants issued in a private placement, net of issuance costs. Common Stock And Warrants Issued In Private Placement, Net Of Issuance Costs Common stock and warrants issued in private placement, net of issuance costs Represents the number of shares of common stock issued in a private placement of common stock and warrants. Common Stock And Warrants Issued In Private Placement, Number Of Shares Common stock and warrants issued in private placement, net of issuance costs (in shares) Shares of common stock sold Stock Issued During Period, Value, New Issues Common stock issued Aggregate purchase price Stock Issued During Period, Shares, New Issues Merger and PIPE Financing shares - common stock Common stock issued (in shares) Equity impact of effect of merger and recapitalization, net of redemptions and issuance costs. Stock Repurchased during Period, Value, Merger and Recapitalization, Net of Redemptions and Issuance Costs Effect of Merger and recapitalization, net of redemptions and issuance costs Effect of Merger and recapitalization, net of redemptions and issuance costs Number of shares in reduction due to the effect of merger and recapitalization, net of redemptions and issuance costs. Stock Repurchased during Period, Shares, Merger and Recapitalization, Net of Redemptions and Issuance Costs Effect of Merger and recapitalization, net of redemptions and issuance costs (in shares) Equity impact of the value of new stock issued pursuant to Private investment in public equity (PIPE) financing during the period. Stock Issued During Period Value New Issues From Private Investment In Equity Common stock issued pursuant to PIPE financing, net of issuance costs Number of new stock issued pursuant to Private investment in public equity (PIPE) financing during the period. Stock Issued During Period, Shares, New Issues from Private Investment in Equity Common stock issued pursuant to PIPE financing, net of issuance costs (in shares) Shares issued in PIPE Financing Stock Issued During Period, Value, Acquisitions Common stock issued for advisor services Stock Issued During Period, Shares, Acquisitions Common stock issued for advisor services (in shares) Shares issued for services Represents the value of stock issued for payment of consulting services. Stock Issued For Payment Of Consulting Services Common stock issued for consulting services The number of shares of stock issued for payment of consulting services. Shares Of Stock Issued For Payment Of Consulting Services Common stock issued for consulting services (in shares) Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock awards granted Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock awards granted (in shares) Amount of increase in additional paid in capital (APIC) resulting from the modification of stock options due to business combination. Adjustments to Additional Paid in Capital, Modifications of Stock Options Due to Business Combination Modification of option awards pursuant to Merger Amount of increase in additional paid in capital (APIC) resulting from the modification of warrants due to business combination. Adjustments to Additional Paid in Capital, Modifications of Warrant Issued Due to Business Combination Modification of warrants pursuant to Merger Stock Issued During Period, Value, Stock Options Exercised Proceeds from issuance of common stock for exercise of warrant Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Shares of common stock issued for the exercise of stock options Proceeds from issuance of common stock for exercise of warrant (in shares) Number of shares issued upon exercise of warrants Adjustments to Additional Paid in Capital, Warrant Issued Reclassification of settlement liability upon issuance of warrant Issuance costs incurred for private placements. Private Placement Issuance Costs Additional issuance costs in connection with Private Placement APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition Stock-based compensation The amount of redemptions and issuance costs net. Net Of Redemptions And Issuance Costs Less: transaction costs and advisory fees allocated to NRXP equity Merger and recapitalization, redemptions and issuance costs The amount of financing, net of issuance costs. Financing, Net Of Issuance Costs PIPE financing, issuance costs Represents the issuance costs associated with a sale of stock and warrants. Sale Of Stock And Warrants, Issuance Costs Common stock and warrants issued in private placement, issuance costs CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation Depreciation expense Share-based Payment Arrangement, Noncash Expense Stock-based compensation Fair Value Adjustment of Warrants Change in fair value of warrant liabilities Net Increase or Decrease in the fair value of the earn out liabilities included in earnings in the period. Gain (Loss) on Fair Value of Cash EarnOut Liability Change in fair value of Earnout Cash liability Paid-in-Kind Interest Non-cash interest expense Noncash Settlement Expense. Noncash Settlement Expense Non-cash settlement expense Non cash consulting expense. Non Cash Consulting Expense Non-cash consulting expense Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES Payments to Acquire Productive Assets Purchase of computer equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES Proceeds from Warrant Exercises Proceeds from issuance of common stock for exercise of warrant Proceeds from Issuance of Private Placement Effect of Merger, net of transaction costs Effect of merger on cash flows, net of redemption and transaction costs The cash inflow from the additional capital contribution to the entity and exercise of stock options. Proceeds from Issuance of Common Stock And Exercise Of Stock Options Proceeds from issuance of common stock and exercise of stock options, net of transaction costs Proceeds from (Repayments of) Notes Payable Repayment of note payable Represents net proceeds (payments) for issuance of common stock and warrants in a private placement, net of issuance costs. Net Proceeds From (Payments For) Issuance Of Common Stock And Warrants In Private Placement, Net Of Issuance Costs Proceeds from issuance of common stock and warrants issued in private placement, net of issuance costs Proceeds from sale of common stock The proceeds from, or repayments of, notes payable assumed in a merger transaction. Proceeds From (Repayments Of) Notes Payable Assumed In Merger Repayment of notes payable assumed in Merger Proceeds from (Repayments of) Related Party Debt Repayment of notes payable - related party Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing and financing activities Reclassification of settlement liability upon issuance of warrant. Reclassification of Settlement Liability Upon Issuance of Warrant Reclassification of settlement liability upon issuance of warrant Reclassifications of legacy warrants to warrant liability during the period. Reclassification Of Legacy Warrants To Warrant Liability Reclassification of legacy NeuroRx warrants to warrant liability The amount of reclassification of warrant liability upon exercise of warrant during the period. Reclassification of Warrant Liability Upon Exercise of Warrant Reclassification of warrant liability upon exercise of warrant Issuance of Common Stock Warrants as Offering Costs Issuance of Common Stock Warrants as Offering Costs Issuance of common stock warrants as offering costs Extinguishment of paycheck protection program loan. Extinguishment of Paycheck Protection Program Loan Extinguishment of Paycheck Protection Program Loan Stock Issued Issuance of common stock for settlement of accrued liability Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Liquidity [Abstract] Liquidity Liquidity [Text Block] Liquidity [Text Block] Liquidity Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Reverse Recapitalization Business Combination Disclosure [Text Block] Reverse Recapitalization Prepaid Expenses and Other Current Assets The entire disclosure of prepaid expenses and other current assets. Disclosure of Prepaid Expenses and Other Current Assets [Text Block] Prepaid Expenses and Other Current Assets Accrued and Other Current Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accrued and Other Current Liabilities Notes Payable. Notes payable disclosure Notes Payable Disclosure Text Block Notes Payable Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Equity Stockholders' Equity Note Disclosure [Text Block] Equity Stock-Based Compensation Share-based Payment Arrangement [Text Block] Stock-Based Compensation Fair Value Measurements Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Fair Value Measurements Income Taxes Income Tax Disclosure [Text Block] Income Taxes Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Subsequent Events Subsequent Events [Text Block] Subsequent Events Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Risk And Uncertainties Policy [Text Block] Risk And Uncertainties Policy [Text Block] Certain Risks and Uncertainties Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk and Off-Balance Sheet Risk Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Research and Development Expense, Policy [Policy Text Block] Research and Development Costs Share-based Payment Arrangement [Policy Text Block] Stock-Based Compensation information expressed about Warrant policies Warrant Liability [Policy Text Block] Warrants Income Tax, Policy [Policy Text Block] Income Taxes Earnings Per Share, Policy [Policy Text Block] Loss Per Share New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Outstanding Shares of Common Stock Equivalents Excluded From Diluted Net Loss Per Share Tabular disclosure of reconciliation of merger transactions upon reverse recapitalization. Schedule of Reconciliation of Merger, Reverse Recapitalization [Table Text Block] Schedule of Reconciliation of Merger, Reverse Recapitalization Schedule of Business Acquisitions by Acquisition, Equity Interest Issued or Issuable [Table Text Block] Schedule of Number of Shares of Common Stock Issued Immediately Following Consummation of the Merger Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] Schedule of prepaid expenses and other current assets Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of accrued and other current liabilities Schedule of Stock by Class [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Represents the information pertaining to Substitute Warrants. Substitute Warrants Class of Stock [Line Items] Schedule of Warrants or Rights Valuation Assumptions [Table Text Block] Schedule of Warrants or Rights Valuation Assumptions [Table Text Block] Schedule of Assumptions Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Summary of activity for warrants Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Domain] Represents the information pertaining to substitute options. Substitute Options Stock Options [Member] Stock Options Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Summary of fair value determined using the Black-Scholes option-pricing model Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of stock option activity Share-based Payment Arrangement, Cost by Plan [Table Text Block] Summary of recognition of stock-based compensation Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Schedule of restricted stock activity Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liability Class [Axis] Fair Value by Liability Class [Domain] Represents the information pertaining to Earnout cash liabilities. Earnout Cash liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Summary of fair value hierarchy No definition available. Schedule Of Warrant Liability Valuation Assumptions Table Text Block Schedule of significant unobservable inputs Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of reconciliation of liabilities Schedule of Liquidity [Table] Schedule of Liquidity [Table] Schedule of Liquidity [Table] Information pertaining to the Preferred Investment Options. Preferred Investment Options Schedule of Liquidity [Line Items] Schedule of Liquidity [Line Items] Schedule of Liquidity [Line Items] Cash Cash Represents the price per unit. Unit Price Price per unit Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Strike price Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Information pertaining to the 9% Redeemable Promissory Note. Promissory Note 9% Redeemable [Member] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Debt Instrument [Line Items] Debt Instrument, Interest Rate, Stated Percentage Interest rate Debt Instrument, Face Amount Debt Instrument, Term Loan term Debt Instrument, Unamortized Discount Debt discount Proceeds from Issuance of Unsecured Debt Debt Instrument, Redemption Price, Percentage Debt Instrument, Periodic Payment Installment payments of principal and interest Redemption period. Redemption Period Period, in months, after issuance at which note may be prepaid The percentage applied to the share price in determination of the conversion price for the debt conversion. Debt Conversion, Share Price Multiplier Percentage Number of lowest daily share prices averaged in the determination of the conversion price for the debt. Debt Conversion, Number of Lowest Daily Share Prices Averaged Debt Instrument, Convertible, Threshold Trading Days Number of trading days The percentage that actual trading volume must exceed median trading volume necessary in order to trigger accelerated redemption of the debt. Debt Accelerated Redemption, Volume Trading Threshold, As Percentage That Actual Exceeds Median The percentage that actual stock price must exceed Nasdaq minimum stock price in order to trigger accelerated redemption of the debt. Debt Accelerated Redemption, Stock Price Threshold, As Percentage That Actual Exceeds Minimum The multiplier applied to the monthly redemption amount in the event of accelerated redemption of the debt. Debt Accelerated Redemption, Multiplier For Monthly Redemption Amount Summary Of Significant Accounting Policies [Abstract] Summary Of Significant Accounting Policies [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Information related to Public Rights pursuant to UPOs Earnout Shares Information pertaining to earnout shares from exercised Substitute Options and Substitute Warrants. Earnout Shares from exercised Substitute Options and Substitute Warrants Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Represents the information pertaining to merger agreement with merger sub and NeuroRx. Merger agreement GEM Warrant GEM Warrant [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Shares excluded from computation of diluted net loss per share Numerator: Share-based Payment Arrangement, Option [Member] Stock options Restricted Stock [Member] Schedule of Business Acquisitions, by Acquisition [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Represents information pertaining to subscription agreements. Subscription agreements Business Acquisition [Line Items] The number of Earnout Shares issuable by the company as contingent consideration in a business combination transaction. Business Combination, Contingent Consideration Payable, Earnout Shares Closing Consideration (in shares) Stockholders' Equity Note, Stock Split, Conversion Ratio Exchange Ratio Amount of contingent consideration payable in cash in a business combination arrangement. Business Combination, Contingent Consideration Payable in Cash Contingent Consideration Number of business days for issuance of Earnout shares upon complete of Earnout shares milestone in a business combination. Business Combination, Number of Business Days for Issuance of Earnout Shares Number of business days for issue of Earnout shares Represents the number of earnout shares for common stockholders. Option Exchange Ratio, Shares, Earnout Shares for Common Stockholders Earnout shares for common stockholders Represents the value of earnout shares for common stockholders. Option Exchange Ratio, Value, Earnout Cash for Common Stockholders Earnout cash for common stockholders Shares Issued, Price Per Share Issue price (in dollars per share) The amount of cash inflow from cash-in-trust used for funding business combination during the period. Business Combination, Cash Held in Trust Used For Funding, Net of Redemption Cash - BRPA trust and cash, net of redemptions The amount of cash inflow from PIPE financing, net of transaction costs, used for funding business combination during the period. Business Combination, Cash Inflow PIPE Financing, Net of Transaction Costs Cash - PIPE financing, net of transaction costs Payments of Stock Issuance Costs Less: transaction costs and advisory fees allocated to NRXP equity The amount of effect on equity from cash-in-trust used for funding business combination during the period. Business Combination, Equity Effect Of Cash Held in Trust Used For Funding, Net of Redemption Cash - BRPA trust and cash effect on equity, net of redemptions Amount of effect on equity, during the period, from Net Working Capital assumed in a business combination arrangement. Business Combination, Recognized Identifiable Assets Acquired, Net Working Capital Assumed Effect on equity from Non-cash net working capital assumed from BRPA Amount of effect on equity, during the period, from notes payable assumed in a business combination arrangement. Business Combination, Effect on Equity of Notes Payable Assumed Less: notes payable assumed from BRPA Amount of effect on equity, during the period, from placement warrants assumed in a business combination arrangement. Business Combination, Effect on Equity of Placement Warrants Assumed Less: fair value of assumed Placement Warrants Effect on equity of changes to legacy warrants due to business combination during the period. Shares Subject To Mandatory Redemption, Legacy Warrants, Fair Value Of Shares Less: fair value of legacy NeuroRx Warrants Amount of effect on equity, during the period, from Earnout Cash recognized in a business combination arrangement. Business Combination, Effect on Equity of Earnout Cash Less: fair value of Earnout Cash Related Party [Axis] Related Party [Domain] Represents the information pertaining to stockholders of NeuroRx. Stockholders of NeuroRx Number of shares of acquiree prior to consummation of Merger transaction. Business Combination, Shares Outstanding of Acquiree, Prior to Consummation of Merger Common stock, outstanding prior to Merger Stock Redeemed or Called During Period, Shares Less: redemption of BRPA shares Number of shares of acquiree prior to consummation of Merger transactions , net of redemptions. Business Combination, Shares Outstanding of Acquiree, Net of Redemptions Common stock of BRPA Business Acquisition, Equity Interest Issued or Issuable, Number of Shares BRPA Founder and private shares, net of forfeited shares of 875,216 Number of shares issued upon conversion of acquired entity rights. Shares Issued, Conversion Of Acquiree Entity Rights Shares issued pursuant to conversion of Public and Private Rights Number of shares issued upon conversion at exchange ratio, immediately after consummation of merger. Common Stock Shares Issued Through Exchange Ratio , Immediately After Consummation of Merger NeuroRx shares - common stock (1) Number of shares of acquiree upon conversion at exchange ratio immediately after the consummation of Merger transaction. Business Combination, Shares Converted at Exchange Ratio, Immediately After Consummation of Merger Common stock outstanding upon conversion prior to Merger Number of shares forfeited in a business combination. Business Acquisition, Number of Shares Forfeited Number of shares forfeited Prepaid Insurance Prepaid insurance Other Prepaid Expense, Current Other prepaid expenses Receivables due from manufacturers. Receivables Due From Manufacturers Receivable due from manufacturer Amount of clinical development expenses paid in advance. Prepaid Clinical Development Expenses Prepaid clinical development expenses Prepaid legal expenses. Prepaid Legal Expenses Prepaid legal expenses Amount of consideration paid in advance for manufacturing expenses that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Prepaid Manufacturing Expenses, Current Prepaid manufacturing expenses Accrued Liabilities and Other Liabilities [Abstract] Accrued and other current liabilities: Accrued Research And Development Expenses Current Accrued Research And Development Expenses Current Accrued research and development expenses Accrued Employee Benefits, Current Accrued employee expenses Accrued Professional Fees, Current Professional services Amount of other expenses incurred but not yet paid , due within one year or the normal operating cycle, if longer. Other Accrued Expenses, Current Other accrued expenses Relief Therapeutics Loan [Member] Relief Therapeutics loan [Member] Long-term Debt, Gross Related party loan Debt Instrument, Maturity Date Debt Instrument, Maturity Date Interest Paid, Including Capitalized Interest, Operating and Investing Activities Interest paid Lessee, Lease, Description [Table] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Maximum Lessee, Lease, Description [Line Items] Operating Lease, Expense Rent expense Schedule of Related Party Transactions, by Related Party [Table] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Sponsored research agreement. Sponsored Research Agreement [Member] Related Party Transaction [Line Items] Research and development commitments. Research And Development Commitments Research commitments Research commitments paid. Research commitments paid GEM Share Subscription Facility Agreement. GEM Share Subscription Facility Agreement Share subscription agreement term. Share Subscription Agreement Term Common Stock, Value, Subscriptions Share subscription value Commitment Fee Paid By Company Commitment Fee Paid By Company Commitment fee Warrants Issued During Period Warrants Issued During Period Warrant issued Warrant Exercise Price Warrant Exercise Price Exercise price of warrant Expiration term for issued warrants. Warrants Expiration Term Expiration term of warrants Accrued settlement expense. Accrued Settlement Expense Proceeds from the sale of common stock, and options and warrants exercised. Proceeds From Sale Of Stock, New Issuances And Sale Of Stock Options And Warrants Proceeds from sale of common stock Represents the information pertaining to Legacy Warrants. Legacy NeuroRx Warrants Minimum [Member] Minimum Class of Warrant or Right, Number of Securities Called by Warrants or Rights Warrants exercised Class of Warrant or Right, Exercise Price of Warrants or Rights Outstanding at the end (in dollars per share) Outstanding at the beginning (in dollars per share) Warrants, exercise price per share Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized compensation Unamortized compensation costs Derivative Liability, Current Warrant liability Warrant liabilities (Note 10) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected stock price volatility Volatility rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk-free rate of interest, minimum Risk-free rate, minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk-free rate of interest, maximum Risk-free rate, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Represents the information pertaining to Public Warrants. Public Warrants Class of Warrant or Right, Outstanding Outstanding at the end Outstanding at the beginning Number of outstanding warrants Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares per warrant Warrants and Rights Outstanding, Term Warrants expiration term Redemption price per share or per unit of warrants or rights outstanding. Class of Warrant or Right, Redemption Price of Warrants or Rights Redemption price per warrant (in dollars per share) The minimum threshold period during which a written notice is required for redemption of warrants, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Class of Warrant or Right, Minimum Threshold Written Notice Period for Redemption of Warrants Minimum threshold written notice period for redemption of warrants Price of the entity's common stock which would be required to be attained to trigger the redemption of warrants. Class of Warrant or Right Redemption of Warrants or Rights Stock Price Trigger Stock price trigger for redemption of warrants (in dollars per share) Threshold number of specified trading days for stock price trigger considered for redemption of warrants. Class of Warrant or Right, Redemption of Warrants or Rights, Threshold Trading Days Threshold trading days for redemption of warrants Represents the class of warrant or right exercised during the period. Warrants Exercised During Period Warrants exercised during period Represents the information pertaining to Placement Warrants. Placement Warrants Class of Warrant or Right [Table] Class of Warrant or Right [Line Items] No definition available. Class of Warrant or Right, Number [Abstract] Total Warrants Class of warrant or right issued. Class of Warrant or Right, Issued Issued No definition available. Class of Warrant or Right, Weighted Average Remaining Term [Abstract] Weighted Average Remaining Term Represents the weighted average remaining contractual term of warrants. Class Of Warrant Or Right Weighted Average Remaining Contractual Term 2 Outstanding Represents the weighted average remaining contractual term of warrants issued. Class of Warrant or Rights, Grant In Period Weighted Average Remaining Contractual Term Issued (in years) No definition available. Class of Warrant or Right, Weighted Average Exercise Price [Abstract] Weighted Average Exercise Price Represents the weighted average exercise price of warrants issued. Class of Warrant or Right Exercise Price of Warrants or Rights Issued Issued (in dollars per share) No definition available. Class of Warrant or Right, Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value Represents the intrinsic value of class of warrant or right outstanding. Class of Warrant or Right Outstanding Intrinsic Value Outstanding at the end (in dollars) Outstanding at the beginning (in dollars) Private Placement Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free rate Class of Warrant or Right, Fair Value Class of Warrant or Right, Fair Value Fair value on the date of issuance Plan Name [Axis] Plan Name [Domain] Two Thousand Seventeen Omnibus Plan [Member] 2016 Omnibus Incentive Plan [Member] 2016 Omnibus Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares authorized for issuance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding at the end Outstanding at the beginning Options to purchase shares of common Stock Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding at the end (in dollars per share) Outstanding at the beginning (in dollars per share) Exercise price Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Weighted-average period Represents the information pertaining to original options. Original Options [Member] Original Options Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract] Share-based Payment Arrangement, Plan Modification, Incremental Cost Incremental compensation costs Represents information pertaining to 2021 Omnibus Incentive Plan. 2021 Omnibus Incentive Plan Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Number of additional shares authorized Percentage of outstanding shares used to determine the number of additional shares authorized annually under the plan. Option Awards, Percentage Of Outstanding Shares Used to Determine Additional Shares Authorized Voting Interests Retained By Shareholders Percentage of outstanding shares for determination of annual additional shares authorization Represents the aggregate number of options granted to-date. Share-Based Compensation Arrangement, Payment Award Options, Aggregate Granted Number of shares awarded Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Number of shares available for issuance Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Exercise price minimum Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Exercise price maximum Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted average exercise price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted average remaining remaining term (in years) Weighted average remaining contractual term for option awards outstanding during the period. Share Based Compensation Arrangement Options Outstanding, Weighted Average Remaining Contractual Term 2 Outstanding Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term 2 Granted Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term 2 Granted Granted (in years) Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term forfeited Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Term Forfeited Forfeited (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Options vested and exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Intrinsic Value [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Intrinsic Value [Abstract] Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Outstanding at the end (in dollars) Outstanding at the beginning (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value The total amount of shared-based compensation expense as of the end of the period expected to be recognized in the future. Allocated Share Based Compensation Expense Expected To Be Recognized In Future Unrecognized compensation costs expected to be recognized Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Income Statement Location [Axis] Income Statement Location [Domain] General and Administrative Expense [Member] Research and Development Expense [Member] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expense Stock-based compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Balance, beginning of period Balance, end of period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Shares granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Grant date fair value, beginning of period End of period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Grant date fair value, granted Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting period Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation, restricted stock Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Recurring basis Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Level 1 Level 3 Assets, Fair Value Disclosure [Abstract] Assets: Cash and Cash Equivalents, Fair Value Disclosure Money Market Account Liabilities, Fair Value Disclosure [Abstract] Liabilities: Fair value portion of Earnout cash liabilities. Earnout Cash Liability, Fair Value Disclosure Earnout Cash liability (Note 4) Share Price Stock price on valuation date No definition available Strike Price Exercise price per share No definition available. Warrant Liability Fair Value Assumptions Expected Term Expected life No definition available. Warrant Liability Fair Value Assumptions Expected Volatility Rate Volatility No definition available. Warrant Liability Fair Value Assumptions Risk Free Interest Rate Risk-free rate No definition available. Warrant Liability Fair Value Assumptions Expected Dividend Rate Dividend yield No definition available. Fair Value Of Warrants Fair value of warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Balance at the end Balance at the beginning Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Gain upon re-measurement Income Tax Expense (Benefit) Provision or benefit for income tax expense Agreement [Axis] Agreement [Axis] Agreement [Domain] Agreement [Domain] Glytech Agreement [Member] Glytech Agreement [Member] Information pertaining to the PillTracker SOW. PillTracker SOW Information related to the former CEO. Former Chief Executive Officer [Member] Former CEO Chief Executive Officer Son [Member] Chief Executive Officer Son [Member] Related Party Transaction, Amounts of Transaction Payment to related party Accounts Payable, Related Parties Accounts payable due to related parties Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items]