Document And Entity Information
Equity Method Investments [Policy Text Block]
Statistical Measurement [Axis]
Note To Financial Statement Details Textual
Significant Accounting Policies
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Note 2 - Significant Accounting Policies
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Note 3 - Revenue and Accounts Receivable
nrxp_PaymentForLicenseAgreementMaintenanceFee
Payment for License Agreement, Maintenance Fee
The amount of cash paid for license agreement maintenance fee during the current period.
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Note 4 - Prepaid Expense and Other Current Assets
Trading Arrangements, by Individual [Table]
Note 5 - Furniture and Equipment, Net
Material Terms of Trading Arrangement [Text Block]
Note 6 - Leases
Note 7 - Accrued and Other Current Liabilities
Note 9 - Debt
Note 10 - Commitments and Contingencies
Note 11 - Equity
Minimum [Member]
Consideration Warrants [Member]
Pertains to consideration warrants.
Note 12 - Stock-based Compensation
Note 13 - Fair Value Measurements
Statistical Measurement [Domain]
Note 14 - Segment Reporting
Maximum [Member]
us-gaap_SharePrice
Share Price (in dollars per share)
Note 16 - Business Acquisition
Note 2 - Significant Accounting Policies - Schedule of Antidilutive Securities (Details)
us-gaap_IncomeLossFromEquityMethodInvestments
Income (Loss) from Equity Method Investments
Income from equity method investment
Loss (income) on equity method investments
Note 3 - Revenue and Accounts Receivable - Disaggregation of Revenue (Details)
Note 3 - Revenue and Accounts Receivable - Schedule of Accounts Receivable (Details)
Note 3 - Revenue and Accounts Receivable - Allowance for Credit Loss (Details)
us-gaap_IncreaseDecreaseInAccountsReceivable
Account receivable
Note 4 - Prepaid Expense and Other Current Assets - Schedule of Prepaid Expense and Other Current Assets (Details)
Note 5 - Furniture and Equipment, Net - Furniture and Equipment (Details)
Note 6 - Leases - Components of Lease Expense (Details)
Note 6 - Leases - Schedule of Minimum Lease Payments (Details)
Note 7 - Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details)
Note 9 - Debt - Schedule of Debt (Details)
Note 10 - Commitments and Contingencies - Schedule of Milestone Payments (Details)
Note 11 - Equity - Schedule of Warrants (Details)
Note 12 - Stock-based Compensation - Schedule of Stock Options (Details)
Note 12 - Stock-based Compensation - Schedule of Restricted Stock Awards (Details)
Note 12 - Stock-based Compensation - Schedule of Stock-based Compensation (Details)
Note 12 - Stock-based Compensation - Schedule of Stock-based Compensation 2 (Details)
Risks and Uncertainties [Policy Text Block]
The disclosure of the entity's policy regarding risks and uncertainties.
Note 13 - Fair Value Measurements - Schedule of Assets and Liabilities on A Recurring Basis (Details)
Note 13 - Fair Value Measurements - Schedule of Significant Inputs (Details)
Note 13 - Fair Value Measurements - Schedule of Recurring Level 3 Fair Value Changes (Details)
Prepaid Expenses and Other Current Assets [Text Block]
The entire disclosure regarding prepaid expenses and other current assets.
Note 14 - Segment Reporting - Reconciliation of Loss From Operations to Total Loss (Details)
Note 14 - Segment Reporting - Long-lived Assets (Details)
Note 16 - Business Acquisition - Assets Acquired and Liabilities Assumed (Details)
ATM Offering [Member]
Relating to ATM offering.
Note 16 - Business Acquisition - Acquired Intangible Assets (Details)
Note 16 - Business Acquisition - Pro Forma (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Warrants [Member]
Relating to warrants.
Options granted, weighted average exercise price (in dollars per share)
nrxp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value
The fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).
Milestone payment
License Agreement, Milestone Payment
Represents the milestone payment for a license agreement.
Fair value of warrants (in dollars per share)
Represents the fair value of an individual warrant or right.
Alvogen and Lotus Warrants [Member]
Relating to Alvogen and Lotus warrants.
Alvogen Licensing Agreement [Member]
Relating to Alvogen licensing agreement.
Leasehold Improvements [Member]
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
Segment Reporting [Text Block]
nrxp_GainLossOnConvertibleDebtRedemption
Gain (Loss) on Convertible Debt Redemption
Loss on convertible note conversions
The amount of gain (loss) on convertible debt redemption.
Award Type [Axis]
nrxp_ConsultingAgreementAnnualPayment
Consulting Agreement, Annual Payment
Represents the annual payment of a consulting agreement.
Adjustments to reconcile net loss to net cash used in operating activities:
Preferred stock
Plan Name [Axis]
nrxp_ConsultingAgreementPerformanceBonusTargetValue
Consulting Agreement, Performance Bonus, Target Value
Represents the target performance value of a bonus on a consulting agreement.
Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block]
us-gaap_Liabilities
Total liabilities
Naples Lease [Member]
Represent Naples Lease agreement.
Plan Name [Domain]
nrxp_ConsultingAgreementMonthlyPayment
Consulting Agreement, Monthly Payment
Represents the monthly payment of a consulting agreement.
Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block]
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Expense for debt issuance costs due to fair value election on Anson Notes
Debt Issuance Costs
The cash outflow related to the issuance of debt.
us-gaap_WarrantsAndRightsOutstandingTerm
Warrants and Rights Outstanding, Term (Year)
nrxp_GainLossOnExerciseOfWarrants
Gain (Loss) on Exercise of Warrants
Amount of gain (loss) on exercise of warrants.
nrxp_SharebasedCompensationArrangementBySharebasedPaymentAwardAnnualPercentageIncreaseInAuthorizedShares
Share-Based Compensation Arrangement by Share-Based Payment Award, Annual Percentage Increase in Authorized Shares
Represents the annual percentage increase in authorized shares for a share based compensation arrangement.
Stock-based compensation expense
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
Consolidation Items [Axis]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders' deficit
Title and Position [Axis]
Segment Reporting [Table]
Neuro Rx [Member]
Relating to Neuro Rx.
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expense and other assets
nrxp_DebtInstrumentNumberOfTranches
Debt Instrument, Number of Tranches
The number of tranches to be received as part of a purchase agreement.
Products Covered By Licensed Patents [Member]
Relating to products covered by licensed patents.
Sarah Herzog Memorial Hospital License Agreement [Member]
Relating to Sarah Herzog Memorial Hospital License Agreement.
Condensed Balance Sheet Statement [Table]
Exclusive License Agreement [Member]
Relating to an exclusive license agreement.
Products Covered by Valid Claims [Member]
Relating to products covered by valid claims.
nrxp_EquityOfferingMaximumOfferingAmount
Equity Offering, Maximum Offering Amount
Maximum value of company's equity authorized for issuance under equity offering.
Stock-based compensation
us-gaap_ShareBasedCompensation
Selling, general and administrative
nrxp_LicenseAgreementsMilestonePaymentsConditionalReductionPercentage
License Agreements, Milestone Payments, Conditional Reduction Percentage
Represents the conditional reduction percentage for milestone payments.
Subsequent Event [Member]
nrxp_StockIssuedDuringPeriodSharesWarrantsExercised
Stock Issued During Period, Shares, Warrants Exercised (in shares)
Number of shares of stock issued during the period pursuant to exercise of warrants.
nrxp_LicenseAgreementMaintenanceFee
License Agreement, Maintenance Fee
Represents the maintenance fee on a license agreement.
Consolidation Items [Domain]
LIABILITIES AND STOCKHOLDERS’ DEFICIT
nrxp_RoyaltyPercentage
Royalty Percentage
Represents the percentage of revenue that a royalty is paid on.
Schedule of Milestone Payments [Table Text Block]
Tabular disclosure of milestone payments.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)
End of Phase II Clinical Trials of Licensed Product [Member]
Relating to End of Phase II Clinical Trials of Licensed Product.
nrxp_WarrantsExercisedNoncash
Warrants Exercised, Noncash
The fair value of warrants exercised in noncash financing activities.
End of Phase I Clinical Trials of Licensed Product [Member]
Relating to End of Phase I Clinical Trials of Licensed Product.
Lessee, Lease, Description [Table]
Share-Based Payment Arrangement [Text Block]
Location, Statement of Income, Balance [Axis]
Lease Contractual Term [Axis]
Lease Contractual Term [Domain]
Changes in operating assets and liabilities:
nrxp_PlacementAgentFeePercentOfGrossProceeds
Placement Agent Fee, Percent of Gross Proceeds
The fee paid to the placement agent expressed as a percentage of gross proceeds.
Accounts payable
us-gaap_IncreaseDecreaseInAccountsPayable
Preferred stock, issued (in shares)
Preferred Stock, Shares Issued (in shares)
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life (Year)
First Commercial Sale of Licensed Product in U.S. [Member]
Relating to First Commercial Sale of Licensed Product in U.S.
Preferred stock, outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
End of Phase III Clinical Trials of Licensed Product [Member]
Relating to End of Phase III Clinical Trials of Licensed Product.
us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Weighted average useful life (Year)
Dura Medical [Member]
Represents Dura Medical, LLC.
Annual Revenue Threshold [Member]
Relating to when annual revenues pass a certain threshold.
Preferred stock, authorized (in shares)
Preferred Stock, Shares Authorized (in shares)
First Commercial Sale of Licensed Product in Europe [Member]
Relating to First Commercial Sale of Licensed Product in Europe.
Portion at Fair Value Measurement [Member]
Medicare [Member]
Represents Medicare.
Commercial Insurance [Member]
Represents commercial insurance.
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Therapy [Member]
Represents therapy.
Procedures [Member]
Represents procedures.
nrxp_LesseeOperatingLeaseCommonAreaMaintenanceFee
Lessee, Operating Lease, Common Area Maintenance Fee
The common area maintenance fee for the lessee's operating lease.
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Fair value of Anson Notes
Fair value of Anson Notes
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash and cash equivalents
nrxp_LesseeOperatingLeaseMonthlyBaseRentAnnualEscalation
Lessee, Operating Lease, Monthly Base Rent, Annual Escalation
The annual increase in monthly base rent, expressed as a percentage of current monthly base rent, for lessee's operating lease.
nrxp_ClassOfWarrantOrRightExercisedDuringPeriod
Class of Warrant or Right, Exercised During Period (in shares)
Exercised (in shares)
The number of warrants or rights exercised during period.
Fort Myers Lease [Member]
Represents the Fort Myers Lease.
nrxp_LesseeOperatingLeaseMonthlyTaxes
Lessee, Operating Lease, Monthly Taxes
The amount of monthly taxes paid as part of the lessee's operating lease.
Series A Preferred Stock [Member]
Medical Equipment [Member]
Represents medical equipment.
Money Market Account
nrxp_LesseeOperatingLeaseBaseMonthlyRent
Lessee, Operating Lease, Base Monthly Rent
Amount of base monthly rent expense for lessee's operating lease.
Estimate of Fair Value Measurement [Member]
nrxp_LesseeNumberOfOpertingLeases
Lessee, Number of Operting LEases
The number of operating leases that the lessee currently has.
Accrued Dura acquisition cost due post-closing
Carrying value as of the balance sheet date of obligations through that date and payable for acquisition costs.
nrxp_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Fair Value
The grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
Public Warrants [Member]
Relating to public warrants.
Substitute Warrants [Member]
Relating to substitute warrants.
New Accounting Pronouncements, Policy [Policy Text Block]
Stock Issuance to Vendor [Member]
Relating to stock issuance to a vendor.
Patent License [Member]
Pertains to the type of expense.
Accretion of operating lease liability
The accretion of operating lease liability over a period of time.
February Warrants [Member]
Relating to February warrants.
Anson Warrants Tranche One [Member]
Represents the Anson Warrants issued in Tranche One.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash and cash equivalents at beginning of year
Cash and cash equivalents at end of year
Antidilutive Securities, Name [Domain]
nrxp_ClassOfWarrantsOrRightsWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Represents the weighted average exercise price for warrants or rights.
Outstanding, weighted average remaining contractual term (Year)
Represents the weighted average remaining term for warrants or rights.
Issued (in shares)
Represents the number of warrants or rights issued during the period.
Statement [Table]
Outstanding, aggregate intrinsic value
Represents the aggregate intrinsic value of warrants or rights.
Reclassification, Comparability Adjustment [Policy Text Block]
February Underwriter Warrants [Member]
Relating to the February underwriter warrants.
Private Placement Warrants [Member]
Relating to private placement warrants.
Underwriter Overallotment Warrants [Member]
Relating to the underwriter over-allotment warrants.
Prepaid insurance
Exercised, weighted average exercise price (in dollars per share)
Weighted average per share amount, of exercised warrants, at which grantees can acquire shares of common stock by exercise of warrants.
Exercised, weighted average remaining term (Year)
Weighted average remaining contractual term for warrants or rights exercised during the period.
nrxp_ClassOfWarrantOrRightIncreaseDecreaseInNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Increase (Decrease) in Number of Securities Called by Warrants or Rights (in shares)
The increase (decrease) in the number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.
nrxp_ClassOfWarrantOrRightExpiredDuringPeriod
Expired (in shares)
Represents the number of warrants or rights expired during the period.
Amended Anson Warrants [Member]
Represents the Amended Anson Warrants.
Conversion of Principal and Interest Into Common Stock [Member]
Relating to the conversion of principal and interest into common stock.
nrxp_DebtInstrumentOriginalIssuanceDiscount
Debt Instrument, Original Issuance Discount
Amount of original issuance discount expressed as a percentage.
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
Investments
Equity Method Investments
New right of use asset and lease liability
nrxp_ClassOfWarrantOrRightSecuritiesCalledByWarrantsOrRightsPercentageOfPrincipalDividedByVwap
Class of Warrant or Right, Securities Called by Warrants or Rights, Percentage of Principal Divided by VWAP
The number of securities into which the class of warrant or right may be converted expressed as a percentage of the principal amount of the notes divided by the WVAP of the Company's common stock.
April Underwriter Warrants [Member]
Relating to the April Underwriter Warrants.
Anson First Tranche Notes [Member]
Represents the Anson First Tranche Notes.
nrxp_FairValueAdjustmentOfConvertibleDebt
Change in fair value of convertible debt
Represents the fair value adjustment of convertible debt.
Anson Warrants [Member]
Represents the Anson Warrants.
Trademarks and Trade Names [Member]
Anson Convertible Notes [Member]
Represents the Anson Convertible Notes.
Accrued and other current liabilities
Total accrued and other current liabilities
Amount of expenses incurred but not yet paid nor invoiced within one operating cycle, and liabilities classified as other.
Warrant liabilities (Note 11)
Anson Second Tranche Notes [Member]
Represents the Anson Second Tranche Notes.
Anson Warrants Tranche Two [Member]
Represents Anson Warrants Tranche Two.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Balance (unvested) (in shares)
Balance (unvested) (in shares)
Unvested, weighted average grant date fair value (in dollars per share)
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Granted, weighted average grant date fair value (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited (in shares)
Condensed Income Statement [Table]
us-gaap_StockIssuedDuringPeriodValueIssuedForServices
Stock Issued During Period, Value, Issued for Services
us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Stock Issued During Period, Shares, Issued for Services (in shares)
Product and Service [Domain]
NRx Segment [Member]
Represents the NRx segment.
Product and Service [Axis]
Ownership [Axis]
Ownership [Domain]
Dura Segment [Member]
Represents the Dura segment.
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life (Year)
Vested, weighted average grant date fair value (in dollars per share)
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested (in shares)
nrxp_BusinessCombinationExcludedFromPurchasePriceContingentConsiderationTerm
Business Combination, Excluded from Purchase Price, Contingent Consideration, Term (Year)
Term of liability recognized arising from contingent consideration in a business combination excluded from purchase price.
nrxp_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentFindersFees
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finders Fees
This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to finder fees in connection with a business combination for which the initial accounting was incomplete.
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total
Class A Units [Member]
Represents Class A Units.
nrxp_BusinessCombinationExcludedFromPurchasePriceIssuanceOfShares
Business Combination, Excluded From Purchase Price, Issuance of Shares (in shares)
The issuance of shares that are a part of a business combination but not included as part of the purchase price.
Operating leases
2027
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)
us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Loss on equity method investments
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)
us-gaap_OperatingLeaseExpense
Operating Lease, Expense
Total operating lease expense
Remainder of 2026
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)
Outstanding, balance (in shares)
Outstanding, balance (in shares)
2029
ASSETS
Measurement Frequency [Axis]
Commitments and Contingencies Disclosure [Text Block]
Nature of Expense [Axis]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
2028
Statement [Line Items]
Liability Class [Axis]
Private Placement [Member]
Fair Value Hierarchy and NAV [Axis]
Outstanding, aggregate intrinsic value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Common stock, issued (in shares)
Common stock, outstanding (in shares)
Award Type [Domain]
Common stock, authorized (in shares)
Common Stock, Shares Authorized (in shares)
us-gaap_ProceedsFromConvertibleDebt
Proceeds from Convertible Debt
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Common Stock, $0.001 par value, 500,000,000 shares authorized; 33,471,315 and 31,734,333 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively
us-gaap_ProceedsFromIssuanceOrSaleOfEquity
Proceeds from Issuance or Sale of Equity
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2028
Fair Value of Financial Instruments, Policy [Policy Text Block]
Conversion and repayments of principal and interest (shares)
Amount of conversion to shares of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2029
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2027
us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)
ATM offering, net of offering costs
Proceeds from Issuance of Common Stock
Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]
Accounts payable
Accounts Payable, Current
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
Remainder of 2026
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Office Space Leases [Member]
Relating to office space leases.
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2030
us-gaap_TableTextBlock
Notes Tables
us-gaap_AccruedBonusesCurrent
Accrued Bonuses, Current
Computer Equipment [Member]
us-gaap_ProceedsFromIssuanceOfWarrants
Proceeds from Issuance of Warrants
nrxp_BusinessCombinationRecognizedAssetAcquiredAssetsIncludingGoodwill
Total assets acquired
Amount of asset acquired, including goodwill, in business combination and recognized at acquisition date.
Professional services
Subsequent Events [Text Block]
Carrying value of the Anson Notes before current period change in fair value
Represents the carrying value of a debt instrument before fair value adjustment.
Nonrelated Party [Member]
April Underwriter Overallotment Warrants [Member]
Represents the April underwriter overallotment warrants.
nrxp_DebtInstrumentCumulativeChangesThroughEarnings
Fair value allocated to Common Stock liability classified warrants
Represents the cumulative gain (loss) through fair value changes in earnings.
Related Party [Member]
Employee costs
Significant Accounting Policies [Text Block]
us-gaap_DebtInstrumentConvertibleThresholdTradingDays
Debt Instrument, Convertible, Threshold Trading Days
us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less: imputed interest
Amortization of operating right of use assets
Lease liability, noncurrent
Outstanding, weighted average remaining contractual term (Year)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Lease liability
Other accrued expense
Lease liability, short term
Fair value adjustment through earnings
Represents the cumulative changes in fair value through other comprehensive income (loss) on a debt instrument.
Options vested and exercisable, weighted average remaining contractual term (Year)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term (Year)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
nrxp_GainLossOnIssuanceOfCommonStock
Gain (Loss) on Issuance of Common Stock
Loss on issuance of Registered Direct Offering
The amount of gain/loss on the issuance of common stock.
nrxp_GainLossOnConsiderationSharesAndWarrants
Gain (Loss) on Consideration Shares and Warrants
Loss on Consideration Shares and Warrants
The amount of gain/loss on consideration shares and warrants.
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net
Fair value adjustment through earnings
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Anson, Third Tranche Notes [Member]
Represents information pertaining to the third tranche notes for Anson.
Convertible note payable - current portion
Statement of Stockholders' Equity [Abstract]
Intangible Asset, Finite-Lived, Class [Axis]
Stock Conversion Description [Axis]
Intangible Asset, Finite-Lived, Class [Domain]
Class of Warrant or Right [Axis]
Measurement Input Cost of Debt [Member]
Measurement input using the cost of debt.
Class of Warrant or Right [Domain]
nrxp_LicenseAgreementCumulativePayments
License Agreement, Cumulative Payments
The cumulative amount paid for the licensing agreement.
Conversion of Stock, Name [Domain]
Statement of Cash Flows [Abstract]
Anson Warrants, Tranche Three [Member]
Represents information pertaining to Anson warrants three.
Equity Components [Axis]
Registered Direct Offering [Member]
Represents information pertaining to the registered direct offering.
Operating lease liabilities
us-gaap_PaymentsOfStockIssuanceCosts
Payments of Stock Issuance Costs
Share-Based Payment Arrangement [Policy Text Block]
Consideration Shares [Member]
Represents information pertaining to consideration shares.
Anson Note [Member]
Represents the Anson Note
Equity Component [Domain]
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
Net assets acquired
Fair Value, Inputs, Level 3 [Member]
Equity [Text Block]
AOCI Attributable to Parent [Member]
Fair Value, Inputs, Level 1 [Member]
us-gaap_ClassOfWarrantOrRightOutstanding
Class of Warrant or Right, Outstanding (in shares)
Outstanding, balance (in shares)
Outstanding, balance (in shares)
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Furniture and equipment, net
Furniture and equipment, net
PPE
Consent and Waiver Agreement [Member]
Represents the Consent and Waiver Agreement ("CWA").
Subsequent Event Type [Domain]
Provision (recovery) for expected credit losses
Subsequent Event [Table]
Subsequent Event Type [Axis]
Property, Plant, and Equipment [Policy Text Block]
Sale of Stock [Axis]
Cost of Goods and Service [Policy Text Block]
Options granted, weighted average remaining contractual term (Year)
Weighted average remaining contractual term for option awards granted during the period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Cost of patient services
nrxp_GainLossOnIssuanceOfRegisteredDirectOffering
Loss on issuance of registered direct Common Stock
The amount of gain(loss) on issuance of a registered direct offering.
Furniture and Fixtures [Member]
Stock-based compensation
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Fair Value Disclosures [Text Block]
Share-Based Payment Arrangement, Option [Member]
Supplemental disclosure of cash flow information:
us-gaap_AccountsReceivableNet
Accounts receivable, net
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
Secured Overnight Financing Rate (SOFR) [Member]
Accounts receivable, net
Lease, Cost [Table Text Block]
Settlement expense (income)
Customer Lists [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Outstanding, forfetited/expired (in shares)
Customer Relationships [Member]
Conversions and repayments of principal and interest (shares)
Amount of noncash and cash outflow for short-term and long-term debt. Excludes payment of lease obligation.
Lessee, Leases [Policy Text Block]
Other Commitments [Table]
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: accumulated depreciation
us-gaap_PaymentsToAcquireInvestments
Payments to Acquire Investments
Cash used in investments
Less accumulated amortization
us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Forfeited/Expired, weighted average exercise price (in dollars per share)
nrxp_FinitelivedIntangibleAssetExpectedAmortizationYearFour
Thereafter
Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Amortization of deferred offering costs to additional paid-in capital
The amount of amortization of deferred offering costs to additional paid-in capital.
us-gaap_GainsLossesOnExtinguishmentOfDebt
Loss on Consideration Shares and Warrants
us-gaap_CashUninsuredAmount
Cash, Uninsured Amount
Additional paid-in capital
Debt Disclosure [Text Block]
Segment Reporting, Policy [Policy Text Block]
Debt Conversion, Name [Domain]
Debt Conversion Description [Axis]
Use of Estimates, Policy [Policy Text Block]
Prepaid expense and other current assets
Total prepaid expense and other current assets
Refund liability (see Note 8)
Customer Refund Liability, Current
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
us-gaap_AdjustmentForAmortization
Amortization
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Stock issuances, net
Stock Issued During Period, Value, New Issues
Lessee, Operating Leases [Text Block]
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
Total carrying value of Anson Notes
us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
Stock Issued During Period, Value, Conversion of Convertible Securities
Par value of the Anson Notes
Debt Instrument, Face Amount
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
us-gaap_AssetsCurrent
Total current assets
us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)
Trade Names [Member]
us-gaap_OffBalanceSheetCreditLossLiability
Off-Balance-Sheet, Credit Loss, Liability
Stock issuances, net (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Debt Instrument, Name [Domain]
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
Fair Value Measurement Inputs and Valuation Techniques [Table]
us-gaap_Depreciation
Depreciation
us-gaap_DebtInstrumentInterestRateEffectivePercentage
Debt Instrument, Interest Rate, Effective Percentage
Class of Stock [Domain]
Related and Nonrelated Parties [Axis]
us-gaap_DebtInstrumentUnamortizedDiscount
Debt Instrument, Unamortized Discount
Initial original issue discount
us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Axis]
CASH FLOWS FROM OPERATING ACTIVITIES
Naples Lease Operating Agreement With Dura Properties LLC [Member]
Related to related party.
CASH FLOWS FROM INVESTING ACTIVITIES
us-gaap_NetCashProvidedByUsedInOperatingActivities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net cash used in operating activities
Consulting Agreement with Michael Taylor [Member]
Related to Consulting Agreement with Michael Taylor.
CASH FLOWS FROM FINANCING ACTIVITIES
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
us-gaap_PaymentsOfDebtIssuanceCosts
Expense for debt issuance costs due to fair value election on Anson Notes
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash provided by financing activities
Stockholders' Equity, Policy [Policy Text Block]
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Annual Maintenance Fees [Member]
Related to annual maintenance fees.
us-gaap_GoodwillImpairmentLoss
Goodwill, Impairment Loss
Operating Segments [Member]
Accounting Policies [Abstract]
Segments [Domain]
us-gaap_DeferredFinanceCostsGross
Debt Issuance Costs, Gross
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
nrxp_ClassOfWarrantOrRightPercentageTradingVolumeThresholdIfTriggered
Class of Warrant or Right, Percentage Trading Volume Threshold If Triggered
Represents the trading volume threshold if trigger is met for warrants or rights.
nrxp_ClassOfWarrantOrRightStockPriceTrigger
Class of Warrant or Right, Stock Price Trigger (in dollars per share)
Represents the stock price trigger on warrants or rights.
Accounts Receivable [Policy Text Block]
Segments [Axis]
Measurement Input Type [Axis]
Income Statement [Abstract]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Shares issued as repayment of principal and interest for convertible note (in shares)
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
Shares issued as repayment of principal and interest for convertible note
Measurement Input, Expected Dividend Rate [Member]
Collaborative Arrangement Disclosure [Text Block]
Measurement Input, Expected Term [Member]
Measurement Input, Exercise Price [Member]
Change in fair value of warrant liabilities
Fair Value Adjustment of Warrants
Liquidity and Going Concern [Policy Text Block]
Represents the policy disclosure of the liquidity position and going concern for an entity during the period.
Net loss
Net Income (Loss) Attributable to Parent
Net loss
Measurement Input, Price Volatility [Member]
nrxp_CustomerRefundLiabilityAccruedInterestReceived
Customer Refund Liability, Accrued Interest Received
Represents the amount of accrued interest received related to a customer refund liability.
West Palm Beach Lease [Member]
Represents the West Palm Beach lease.
nrxp_LesseeOperatingLeaseFixedAnnualRent
Lessee, Operating Lease, Fixed Annual Rent
Amount of fixed annual rent expense for lessee's operating lease.
Offering costs
Measurement Input, Share Price [Member]
Measurement Input Type [Domain]
Measurement Input, Risk Free Interest Rate [Member]
us-gaap_DebtConversionOriginalDebtAmount1
Debt Conversion, Original Debt, Amount
Issuance of Common Stock as principal and interest repayment for convertible notes
Measurement input
us-gaap_DebtConversionConvertedInstrumentSharesIssued1
Debt Conversion, Converted Instrument, Shares Issued (in shares)
nrxp_LicenseAgreementMilestonePaymentUponFirstApproval
License Agreement, Milestone Payment Upon First Approval
Represents the milestone payment upon first approval for a license agreement.
us-gaap_ConversionOfStockSharesConverted1
Conversion of Stock, Shares Converted (in shares)
us-gaap_ConversionOfStockSharesIssued1
Conversion of Stock, Shares Issued (in shares)
us-gaap_CostsAndExpenses
Total operating expenses
Income Tax Disclosure [Text Block]
Warrant measurement input
Warrants and Rights Outstanding, Measurement Input
Restricted Stock [Member]
Accounting Standards Update and Change in Accounting Principle [Table]
Income Tax, Policy [Policy Text Block]
us-gaap_AssetImpairmentCharges
Asset Impairment Charges
us-gaap_ForeignCurrencyExchangeRateRemeasurement1
Foreign Currency Exchange Rate, Remeasurement
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
nrxp_FairValueAdjustmentOfConvertibleDebtNet
Change in fair value of convertible promissory notes
Represents the fair value adjustment of convertible debt.
Related and Nonrelated Parties [Domain]
Related Party Transaction [Table]
Related Party Transactions Disclosure [Text Block]
Cohen LLC [Member]
Relating to Cohen LLC.
us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
Adjustments to Additional Paid in Capital, Warrant Issued
Fair Value of warrants issued with register direct offering
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
us-gaap_LiabilitiesFairValueAdjustment
Liabilities, Fair Value Adjustment
Measurement Basis [Axis]
nrxp_PolicyTable
Options vested and exercisable (in shares)
Options vested and exercisable, weighted average exercise price (in dollars per share)
Options vested and exercisable, aggregate intrinsic value
Fair Value Hierarchy and NAV [Domain]
Measurement Frequency [Domain]
Employee [Member]
Represents an employee.
Statement of Financial Position [Abstract]
us-gaap_NonoperatingIncomeExpense
Total other expense (income), net
Other current and non-current assets
nrxp_BusinessCombinationRecognizedAssetAcquiredOtherCurrentAndNoncurrentAssets
Amount of other current and non-current assets acquired in business combination and recognized at acquisition date.
Write-offs, net of recoveries
Cash paid for taxes
Convertible note payable, net of current portion
Fair Value, Recurring [Member]
Other assets
Warrant [Member]
us-gaap_WarrantsAndRightsOutstanding
Warrants and Rights Outstanding
Document Type
Document Information [Line Items]
Document Quarterly Report
us-gaap_LesseeOperatingLeaseTermOfContract
Lessee, Operating Lease, Term of Contract (Month)
Operating leases (in years) (Year)
Document Information [Table]
Antidilutive securities (in shares)
Revenue
us-gaap_BusinessAcquisitionsProFormaRevenue
Antidilutive Securities [Axis]
Nonvested Restricted Stock Shares Activity [Table Text Block]
Entity Interactive Data Current
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)
Document Transition Report
Net loss per share:
Basic and diluted (in shares)
Net loss
us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block]
Basic and diluted (in dollars per share)
Research and Development Expense, Policy [Policy Text Block]
Effective Income Tax Rate Reconciliation [Table]
Title and Position [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Earnings Per Share, Policy [Policy Text Block]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Intangible assets, net (provisional)
Shares issued as a result of repricing under VWAP (in shares)
The number of shares issued as a result from the repricing of shares.
Net carry value
us-gaap_FiniteLivedIntangibleAssetsNet
Total
Document Fiscal Period Focus
Document Fiscal Year Focus
Investment, Name [Domain]
us-gaap_DepreciationAndAmortization
Depreciation and amortization
Amendment Flag
Shares issued as a result of repricing under VWAP
The value of shares issued from the repricing of shares.
Common Stock [Member]
Goodwill
Goodwill (provisional)
Goodwill
nrxp_ClassOfWarrantOfRightGrantDateFairValue
Class of Warrant of Right, Grant Date Fair Value
The grant date fair value of the warrants and right issued.
Document Period End Date
Warrants Other Than Consideration Warrants [Member]
The other than consideration warrants.
Property, Plant, and Equipment [Text Block]
Long-Lived Asset, Class [Domain]
Outstanding, granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Legal Entity [Axis]
nrxp_AdjustmentsToAdditionalPaidInCapitalAmortizationOfPrepaidOfferingCosts
Amortization of prepaid offering costs
Amount of decrease in additional paid in capital (APIC) resulting from the amortization of prepaid offering costs.
Business Combination [Domain]
Entity File Number
Entity Tax Identification Number
Non-cash investing and financing activities:
Business Combination [Axis]
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table]
Entity [Domain]
Entity Central Index Key
Entity Registrant Name
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Business Combination [Policy Text Block]
Entity Current Reporting Status
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Business Combination [Table]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Entity Incorporation, State or Country Code
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Business Combination, Pro Forma Information [Table Text Block]
Current Fiscal Year End Date
Accounts receivable
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
Cash and cash equivalents
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
Research and development
Research and Development Expense
Entity Filer Category
Entity Shell Company
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
Less: liabilities assumed
Entity Emerging Growth Company
Entity Small Business
us-gaap_OperatingIncomeLoss
Loss from operations
(Loss) Income from operations
Customer relationship
us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount
us-gaap_BusinessCombinationConsiderationTransferred1
Business Combination, Consideration Transferred
Entity Address, State or Province
Entity Address, City or Town
Warrant liabilities
Interest expense
Interest expense
Accumulated deficit
Entity Address, Address Line One
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
City Area Code
us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Business Combination, Acquiree's Revenue since Acquisition Date, Actual
us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual
Local Phone Number
Revenue from Contract with Customer [Text Block]
Entity Address, Postal Zip Code
Equity Method Investment [Table]
nrxp_CustomerRefundLiabilityPaymentsMade
Customer Refund Liability, Payments Made
Represents the amount of payments made in relation to a customer refund liability during the period.
Accrued expense and other liabilities
Preferred Stock [Member]
Title of 12(b) Security
Security Exchange Name
Trading Symbol
Derivatives, Policy [Policy Text Block]
us-gaap_DebtInstrumentConvertibleConversionPrice1
Debt Instrument, Convertible, Conversion Price (in dollars per share)
Class of Stock [Axis]
Series A Convertible Preferred Stock [Member]
Series A preferred stock that may be exchanged into common shares or other types of securities at the owner's option.
Variable Rate [Domain]
us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred
Revenue [Policy Text Block]
us-gaap_BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles
Related Party Transaction [Domain]
Entity Common Stock, Shares Outstanding
Related Party Transaction [Axis]
Conversion of Series A Preferred Stock to Common Stock [Member]
The unique name of a noncash or part noncash stock conversion.
Accrued clinical site costs
Represents accrued clinical site costs.
us-gaap_ProceedsFromDebtNetOfIssuanceCosts
Proceeds from Debt, Net of Issuance Costs
us-gaap_BusinessCombinationAcquisitionRelatedCosts
Business Combination, Acquisition-Related Cost, Expense
nrxp_RepaymentsOfInsuranceLoans
Repayment of insurance note
The repayment of insurance loans.
April 2024 Offering [Member]
Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.
nrxp_WorkingCapitalDeficit
Working Capital (Deficit)
Represents working capital (deficit).
us-gaap_PaymentsForRoyalties
Payments for Royalties
Accrued research and development expense
Carrying value as of the balance sheet date of obligations incurred and payable for research and development. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
us-gaap_ProceedsFromWarrantExercises
Proceeds from Warrant Exercises
Weighted average Common Stock outstanding:
Prepaid clinical development costs
Amount of asset related to consideration paid in advance for clinical development that provides economic benefits within a future period of one year or the normal operating cycle, if longer.
Property, Plant, and Equipment [Table]
Common stock, par value (in dollars per share)
The 2021 Omnibus Incentive Plan [Member]
Plan name for share-based payment arrangement.
Investment, Name [Axis]
Fair value of Anson III Note at issuance
Basis of Accounting, Policy [Policy Text Block]
The 2016 Omnibus Incentive Plan [Member]
Plan name for share-based payment arrangement.
Consultation Agreement with Zachary Javitt [Member]
Information by type of related party transaction.
Consultation Agreement with Dr. Jonathan Javitt [Member]
Information by type of related party transaction.
Nondesignated Preferred Stock [Member]
The Nondesignated Preferred Stock.
Long-Lived Asset, Class [Axis]
NRX Pharmaceuticals, Inc [Member]
Information by name of entity in which ownership interest is disclosed. Excludes equity method investee and named security investment.
Sale of Stock [Domain]
us-gaap_Assets
Total assets
Proceeds from issuance of Common Stock and warrants, net of issuance costs
The proceeds from issuance of common stock and warrants
Cash and Cash Equivalents, Policy [Policy Text Block]
Deferred Charges, Policy [Policy Text Block]
Cash and cash equivalents
Cash and Cash Equivalent
Glytech License Agreement [Member]
Information by type of related party transaction.
us-gaap_InvestmentOwnedAtFairValue
Investment Owned, Fair Value
Other prepaid expense
Accounts receivable, gross
us-gaap_AllowanceForDoubtfulAccountsReceivable
Less: allowance for credit losses
Beginning balance as of December 31, 2025
Ending Balance as of March 31, 2026
Measurement Input, Probability of Default [Member]
Measurement input using the probability of default.
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Depreciation and amortization expense
Issued, weighted average remaining term (Year)
Weighted average remaining contractual term for warrants or rights issued during the period.
Issued, weighted average exercise price (in dollars per share)
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of warrants.
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
us-gaap_FinitelivedIntangibleAssetsAcquired1
Fair values
Fair Value by Liability Class [Domain]
us-gaap_InvestmentIncomeInterest
Interest income
Interest income
Cash paid for interest
RD Purchase Agreement [Member]
Pertains to the RD Purchase Agreement.
Schedule of Long-Term Debt Instruments [Table Text Block]
Interim Period, Costs Not Allocable [Domain]
Third Tranche Notes, Warrants [Member]
Pertains to Third Tranche Notes, Warrants.
Business Combination [Text Block]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
us-gaap_StockholdersEquity
Equity, Attributable to Parent
Total stockholders’ deficit
Balance
Balance
Forfeited, weighted average grant date fair value (in dollars per share)
nrxp_LesseeOperatingLeaseFixedMonthlyRentalPayments
Lessee, Operating Lease, Fixed Monthly Rental Payments
Amount of fixed monthly rental payments under operating lease.
Self-Pay [Member]
Lease for Certain Medical Equipment and Related Accessories [Member]
Represents Lease for Certain Medical Equipment and Related Accessories.
Health Care Organization, Revenue Sources [Domain]
nrxp_NumberOfCommercialRentalAgreement
Number of Commercial Rental Agreement
Represents the number of commercial rental agreements.
Health Care Organization, Revenue Sources [Axis]
Stock, Class of Stock [Table]
nrxp_ClassOfWarrantOrRightIssuedInPeriod
Class of Warrant or Right Issued in Period (in shares)
The number of warrants issued.
Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table]
Right-of-use assets, net
Net patient service revenue
Revenue from Contract with Customer, Excluding Assessed Tax
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
Property, Plant, and Equipment [Table Text Block]
us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Revenue from Contract with Customer, Including Assessed Tax
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Commitments and Contingencies (Note 10)