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Total other expense, net Nonoperating Income (Expense) Commitments and contingencies (Note 11) Commitments and Contingencies Expected share price volatility Measurement Input, Price Volatility [Member] Insider Trading Policies and Procedures [Line Items] Number of shares, vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Financing transaction Proceeds from Issuance or Sale of Equity Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Stockholders' Equity Equity [Text Block] Aggregate intrinsic value, vested and expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Proceeds from issuance of stock in public offering, net of issuance costs Proceeds from Issuance of Common Stock License Agreement License Agreement [Member] Represents the pertaining information to license agreement. Accrued Liabilities, Current [Abstract] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Income Taxes Income Tax Disclosure [Text Block] Yale University Yale University [Member] Represents the information pertaining to yale university. Estimated dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Total financial liabilities Financial Liabilities Fair Value Disclosure Collaborative Arrangement, Milestone Payments [Axis] Collaborative Arrangement, Milestone Payments [Axis] Collaborative Arrangement, Milestone Payments Number of purchasers Number of Purchasers Number of Purchasers Current liabilities Liabilities, Current [Abstract] Milestone payment potentially receivable Milestone Payment Potentially Receivable Milestone Payment Potentially Receivable Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, $0.0001 par value; 20,000,000 shares designated as of March 31, 2024 and December 31, 2023; 0 shares issued and outstanding as of March 31, 2024 and December 31, 2023 Preferred Stock, Value, Issued Business Acquisition [Line Items] Business Acquisition [Line Items] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Net loss per share attributable to common stockholders, diluted (in dollars per share) Earnings Per Share, Diluted Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] PEO Total Compensation Amount PEO Total Compensation Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Weighted average exercise price, vested and expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Outstanding awards (in shares) Options outstanding, beginning of period (in shares) Options outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Other income (expense), net: Other Nonoperating Income (Expense) [Abstract] Proceeds from the exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Trading Symbol Trading Symbol Subsequent Installment [Domain] Subsequent Installment [Domain] Subsequent Installment [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Collaborative Arrangement and Arrangement Other than Collaborative [Table] Collaborative Arrangement and Arrangement Other than Collaborative [Table] Net loss Net loss Net Income (Loss) Total current liabilities Liabilities, Current Number of days warrants become exercisable after the completion of merger Number of Days Warrants Become Exercisable After the Completion of Merger The number of days warrants become exercisable after the completion of merger. 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Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Executive Category: Executive Category [Axis] Liabilities: Financial Liabilities Fair Value Disclosure [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Level 1 Fair Value, Inputs, Level 1 [Member] Name Measure Name Name Forgone Recovery, Individual Name Schedule of Property and Equipment Property, Plant and Equipment [Table Text Block] Equity Components [Axis] Equity Components [Axis] Warrants, exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Financial Instruments [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Accrued expenses Increase (Decrease) in Accrued Liabilities Number of shares remaining available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Private Placement Warrants Private Placement Warrants [Member] Represents the information pertaining to private placement warrants. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Underlying Securities Award Underlying Securities Amount Entity Small Business Entity Small Business Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Local Phone Number Local Phone Number Accounts receivable Increase (Decrease) in Accounts Receivable Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table] Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Number of tranches of contingent earnout shares Reverse Recapitalization, Contingent Consideration, Liability, Number of Tranches The number of tranches of shares of combined entity that equity holders of acquiring entity are entitled to upon occurrence of triggering events. Warrants to purchase Common Stock Warrant [Member] Legacy Humacyte Common Stock Warrants Humacyte, Inc. [Member] Represents Humacyte, Inc. BVP Patent Rights BVP Patent Rights [Member] BVP Patent Rights Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Fresenius Medical Care Fresenius Medical Care [Member] Represents information pertaining to Fresenius Medical Care. 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Revenue Interest Liability Activity [Roll Forward] Revenue Interest Liability Activity [Roll Forward] Revenue Interest Liability Activity Number of shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Earnout Shares Earnout Shares [Member] Earnout Shares Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Product and Service [Domain] Product and Service [Domain] Summary of Securities That Could Potentially Dilute Net Loss Per Share in the Future That Were Not Included in the Computation of Diluted Net Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Other Performance Measure, Amount Other Performance Measure, Amount Interest expense Interest expense recognized Interest Expense, Debt Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Research and development Research and Development Expense [Member] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Award Type [Axis] Award Type [Axis] Securities that were not included in the computation of diluted net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Plan Name [Domain] Plan Name [Domain] Increase in derivative liability Increase (Decrease) in Derivative Liabilities Document Quarterly Report Document Quarterly Report Supplemental disclosure of noncash activities: Noncash Investing and Financing Items [Abstract] Interest expense Interest Expense Dividends, common stock Dividends, Common Stock Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] General and administrative General and Administrative Expense [Member] Property and equipment, gross Property, Plant and Equipment, Gross Weighted average remaining contractual term, outstanding (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Stockholders' Equity Note [Abstract] Trading Arrangement: Trading Arrangement [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Expiration period of agreement Collaborative Arrangement, Expiration Period Represents the agreement expiration term after first commercial sale. Measurement input Business Combination, Contingent Consideration, Liability, Measurement Input Use of Estimates Use of Estimates, Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Entity File Number Entity File Number Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Operating lease obligation, current portion Operating Lease, Liability, Current Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Option Period [Axis] Option Period [Axis] Option Period Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Restatement Determination Date Restatement Determination Date Revenue Revenue Not from Contract with Customer Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense Accelerated vesting ending period Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting Ending Period Represents the end of involuntary termination term after effective date of corporate transaction. Counterparty Name [Domain] Counterparty Name [Domain] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash, cash equivalents and restricted cash at the beginning of the period Cash, cash equivalents and restricted cash at the end of the period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Number of adult patients Number of Adult Patients Number of Adult Patients Expected term (years) Measurement Input, Expected Term [Member] Private Placement Private Placement [Member] Price per share (in dollars per share) Sale of Stock, Price Per Share Interest income Investment Income, Interest Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Total investment amount Purchase Agreement, Total Investment Amount Purchase Agreement, Total Investment Amount Maximum contingent earnout (in shares) Reverse Recapitalization, Contingent Consideration, Liability, Shares The maximum aggregate number of shares of combined entity that equity holders of acquiring entity are entitled to upon occurrence of triggering events. Common stock, shares issued (in shares) Common stock issued (in shares) Common Stock, Shares, Issued Closing stock price to trigger contingent earnout shares (in dollars per share) Reverse Recapitalization, Contingent Consideration, Liability, Per Share Reverse Recapitalization, Contingent Consideration, Liability, Per Share Schedule of Assumptions Used to Estimate Fair Value of Stock Options Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Security Exchange Name Security Exchange Name Termination period Termination Period Represents the threshold notice period required to terminate the agreement. Merger Agreement Merger Agreement [Member] Merger Agreement Revenue interest liability at December 31, 2023 Revenue interest liability at March 31, 2024 Long-Term Debt Total financial assets Assets, Fair Value Disclosure Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Net proceeds from public offering Sale of Stock, Consideration Received on Transaction Exercise of options under stock plan Options Employee Stock Option [Member] Accelerated vesting commencement period Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting Commencement Period Represents the commencement of involuntary termination term prior to effective date of corporate transaction. Unrecognized stock-based compensation cost, period for recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Maximum Maximum [Member] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Tubular Prostheses Patent Rights Tubular Prostheses Patent Rights [Member] Tubular Prostheses Patent Rights Document Type Document Type Tabular List, Table Tabular List [Table Text Block] Distribution agreement, termination period Distribution Agreement, Termination Period Distribution Agreement, Termination Period Entity Address, Address Line One Entity Address, Address Line One Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Subsequent Event [Table] Subsequent Event [Table] Stock-based Compensation Share-Based Payment Arrangement [Text Block] Basis of Presentation and Unaudited Interim Condensed Consolidated Financial Statements Basis of Accounting, Policy [Policy Text Block] Current stock price Market price of public stock Measurement Input, Share Price [Member] Weighted Average Exercise Price Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Business Acquisition [Axis] Business Acquisition [Axis] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Subsequent Event Subsequent Event [Member] Issuance of stock in public offering, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Number of equity incentive plans Share-based Compensation Arrangement by Share-based Payment Award, Number of Plans The number of plans in share-based compensation arrangement. 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Class of Stock [Line Items] Class of Stock [Line Items] Income Taxes Income Tax Disclosure [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Number of contingent earnout shares per tranche (in shares) Reverse Recapitalization, Contingent Consideration, Liability, Shares Per Tranche The number of shares of combined entity per tranche that equity holders of acquiring entity are entitled to upon occurrence of triggering events. Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Decellularized Tissue Engineering Patent Rights Decellularized Tissue Engineering Patent Rights [Member] Decellularized Tissue Engineering Patent Rights Proceeds from PIPE Financing Proceeds from Issuance of Private Placement Percentage of cumulative purchaser payments, repurchase price Percentage of Cumulative Purchaser Payments, Repurchase Price Percentage of Cumulative Purchaser Payments, Repurchase Price Statistical Measurement [Axis] Statistical Measurement [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Common Stock Warrants Warrants And Rights Outstanding, Policy [Policy Text Block] Warrants And Rights Outstanding, Policy Entity Interactive Data Current Entity Interactive Data Current Subsequent Installment Two Subsequent Installment Two [Member] Subsequent Installment Two Stock Option Plan, 2005 Stock Option Plan, 2005 [Member] Represents 2005 Stock Option plan. Total Shareholder Return Amount Total Shareholder Return Amount Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share accepting a tender offer entitles warrants to receive cash (as a percent) Class of Warrant or Right, Redemption Threshold The percentage of outstanding shares that accept a tender or exchange offer made that triggers entitles holders to receive cash for all warrants. Cure period Cure Period Cure Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Current assets Assets, Current [Abstract] Net sales minimum threshold for additional royalty Net Sales Minimum Threshold for Additional Royalty Net Sales Minimum Threshold for Additional Royalty Business Acquisition, Contingent Consideration [Line Items] Business Acquisition, Contingent Consideration [Line Items] Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Counterparty Name [Axis] Counterparty Name [Axis] Non-cash interest expense Interest Expense, Interest-Bearing Liability Unpaid transaction costs related to revenue interest purchase agreement Transaction costs accrued at March 31, 2024 Debt Issuance Costs Incurred But Not Yet Paid Debt Issuance Costs Incurred But Not Yet Paid Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Disposition payment percentage Disposition Payment Percentage Disposition Payment Percentage Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Public Warrants Public Warrants [Member] Represents the information pertaining to Public Warrants. Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Number of trading days Reverse Recapitalization, Contingent Consideration, Liability, Stock Price Trigger, Number Of Trading Days The number of days that volume-weighted average closing sale price of stock within 30 day period that triggers the earnout shares of combined entity for former holders of acquiree stocks Omnibus Incentive Plan, 2015 Omnibus Incentive Plan, 2015 [Member] Represents 2015 Omnibus Incentive Plan. PEO PEO [Member] Revenue Interest Liability [Line Items] Revenue Interest Liability [Line Items] Revenue Interest Liability Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Sale of Stock [Axis] Sale of Stock [Axis] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Class of Stock [Domain] Class of Stock [Domain] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Debt Instrument [Axis] Debt Instrument [Axis] Term Loan Agreement Term Loan Agreement [Member] Represents the information pertaining to term loan agreement. Contingent derivative liability Derivative Liability, Noncurrent Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Effective tax rate Effective Income Tax Rate Reconciliation, Percent Measurement Input Type [Domain] Measurement Input Type [Domain] Total liabilities Liabilities Weighted average expected share price volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Long-Term Incentive Plan, 2021 Long-Term Incentive Plan, 2021 [Member] Represents the 2021 Long-Term Incentive Plan. Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Reserved common stock for future issuances (in shares) Common Stock, Capital Shares Reserved for Future Issuance Proceeds from revenue interest purchase agreement Proceeds From Issuance Of Unsecured Debt, Gross Proceeds From Issuance Of Unsecured Debt, Gross Measurement Frequency [Domain] Measurement Frequency [Domain] Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] All Executive Categories All Executive Categories [Member] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Period One Period One [Member] Period One Plan Name [Axis] Plan Name [Axis] Debt Disclosure [Abstract] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Subsequent Installment [Axis] Subsequent Installment [Axis] Subsequent Installment Number of reportable segments Number of Reportable Segments Milestone payments Collaborative Arrangement, Milestone Payments Represents the amount of milestone payments upon achievement of certain regulatory milestones. Subsequent Event [Line Items] Subsequent Event [Line Items] Common stock, $0.0001 par value; 250,000,000 shares authorized as of March 31, 2024 and December 31, 2023; 119,084,353 and 103,673,728 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively Common Stock, Value, Issued General and administrative General and Administrative Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Accrued professional fees Accrued Professional Fees, Current Non-cash operating lease costs Operating Lease, Right-of-Use Asset, Periodic Reduction Number of consecutive trading days Reverse Recapitalization, Contingent Consideration, Liability, Stock Price Trigger, Number of Consecutive Trading Day Period The period over which the number of days that volume-weighted average closing sale price of stock that triggers the earnout shares of combined entity for former holders of acquiree stocks. Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Segments Segment Reporting, Policy [Policy Text Block] Total current assets Assets, Current Number of vote per common share held Common Stock, Number of Votes Per Unit Of Shares Held Represents the number of vote per common share held. Payments of finance lease principal Finance Lease, Principal Payments Contingent Earnout Liability Business Combination, Contingent Consideration, Liability Restricted cash Restricted Cash All Individuals All Individuals [Member] Supplemental disclosure: Supplemental Cash Flow Information [Abstract] Revenue Interest Liability [Table] Revenue Interest Liability [Table] Revenue Interest Liability Entity Filer Category Entity Filer Category Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Contingent Earnout Liability Business Combination, Contingent Consideration, Liability, Noncurrent Current Fiscal Year End Date Current Fiscal Year End Date Net Loss per Share Attributable to Common Stockholders Earnings Per Share, Policy [Policy Text Block] Milestone payment received Purchase Agreement, Milestone Payment Purchase Agreement, Milestone Payment PEO Name PEO Name Estimated dividend yield Measurement Input, Expected Dividend Rate [Member] Beginning balance Ending balance Fair value as of beginning of period Fair value as of end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Warrants (in shares) Class of Warrant or Right, Outstanding Preferred stock, shares designated (in shares) Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Number of installments Number of Installments Number of Installments Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Net cash used in operating activities Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Aggregate intrinsic value, vested and exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Class of Stock [Axis] Class of Stock [Axis] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Clinical research services expense Clinical Research Services Expense Clinical Research Services Expense Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Furniture and fixtures Furniture and Fixtures [Member] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Statement of Financial Position [Abstract] Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Frenova Renal Research Frenova Renal Research [Member] Frenova Renal Research Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Assumptions Used in the Valuations Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Option agreement, minimum exercise price (in dollars per share) Option Agreement, Exercise Price Option Agreement, Exercise Price Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Capital Shares Reserved for Future Issuance [Domain] Capital Shares Reserved for Future Issuance [Domain] Information on capital stock reserved for future issuance. Percentage of cumulative purchaser payments Percentage Threshold of Cumulative Purchaser Payments Percentage Threshold of Cumulative Purchaser Payments Expected term of options (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Measurement Input, Revenue Forecast, Discount Rate Measurement Input, Revenue Forecast, Discount Rate [Member] Measurement Input, Revenue Forecast, Discount Rate Fair Value of Warrant per share (in dollars per share) Warrants, measurement input Warrants and Rights Outstanding, Measurement Input Subsequent Installment Three Subsequent Installment Three [Member] Subsequent Installment Three Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Level 2 Fair Value, Inputs, Level 2 [Member] Assumptions on the date of grant to estimate the fair value of the stock options Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Assumption of Publicly Traded Securities Assumption Of Publicly Traded Securities [Member] Assumption Of Publicly Traded Securities Option Purchase Agreement Option Purchase Agreement [Member] Option Purchase Agreement Other Long-Term Assets Other Noncurrent Assets [Member] Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Title Trading Arrangement, Individual Title Options outstanding, beginning of period (in dollars per share) Options outstanding, end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Common Stock Common Stock [Member] Individual: Individual [Axis] Upfront payment received Upfront Payment Received Upfront Payment Received Contingent Derivative Liability Derivatives, Embedded Derivatives [Policy Text Block] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Product and Service [Axis] Product and Service [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Period Two Period Two [Member] Period Two Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Summary of Changes in Fair Value of Level 3 Financial Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Transaction costs Transaction Costs for Raising Capital Amount of transaction costs for raising capital. Minimum Minimum [Member] Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Summary of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Exercise Price Award Exercise Price Revenue interest liability Unsecured Long-Term Debt, Noncurrent Annual increase in available shares Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant, Annual Increase, Percent The annual increase of shares reserve for the share-based compensation plans as percent of the lesser of the number of shares of the entity's common stock outstanding on calendar year end of the preceding year and a number of shares of common stock determined by the Company's board of directors. Summary of Common Stock Warrants Outstanding Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Statement of Cash Flows [Abstract] Regulatory Milestone Regulatory Milestone [Member] Regulatory Milestone Accrued external research, development and manufacturing costs Accrued External Research Development And Manufacturing Costs, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for external research, development, and manufacturing expenses. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Exercise price Measurement Input, Exercise Price [Member] Maximum annual maintenance fee, less than Collaborative Arrangement, Maximum Annual Maintenance Fee Represents the amount of maximum annual maintenance fee. Operating lease obligation Increase (Decrease) in Operating Lease Liability Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Contingent derivative, measurement input Embedded Derivative Liability, Measurement Input Accumulated Deficit Retained Earnings [Member] Debt discount from embedded contingent derivative liability Debt discount from embedded contingent derivative liability Debt Instrument, Debt Discount Recorded In The Period Debt Instrument, Debt Discount Recorded In The Period Summary of Stock-Based Compensation Expense and Remaining Unrecognized Costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Contingent Consideration Tranches [Domain] Contingent Consideration Tranches [Domain] Contingent consideration tranches number. Other long-term assets Other Assets, Noncurrent Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Period Three Period Three [Member] Period Three Net loss per share attributable to common stockholders, basic (in dollars per share) Earnings Per Share, Basic Unrecognized stock-based compensation cost Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Equity Option Equity Option [Member] Accounting Policies [Abstract] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Sale of Stock [Domain] Sale of Stock [Domain] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Expected term (years) Warrants and Rights Outstanding, Term Arrangement Duration Trading Arrangement Duration Revenue Interest Purchase Agreement Revenue Interest Purchase Agreement [Member] Revenue Interest Purchase Agreement Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Fresenius Medical Care Related Party [Member] Common stock reserved for Option Agreement Common stock Reserved For Option Agreement [Member] Common stock Reserved For Option Agreement Weighted average remaining contractual term, vested and expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 [Member] Information pertaining to redeemable warrants exercisable for common stock. Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Issuance and transaction costs incurred and paid in connection with the Purchase Agreement Debt Issuance and Transaction Costs Incurred and Paid Debt Issuance and Transaction Costs Incurred and Paid Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Termination Date Trading Arrangement Termination Date Accounts payable Increase (Decrease) in Accounts Payable Common stock, shares authorized (in shares) Common stock, authorized (in shares) Common Stock, Shares Authorized Document Information [Table] Document Information [Table] Proceeds from Merger and related PIPE Financing Proceeds From Reverse Recapitalization, Net Of Offering Costs Paid The cash inflow associated with the amount received from a reverse recapitalization, net of offering costs paid. Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Tranche two Contingent Consideration Tranche Two [Member] Represents the information pertaining to contingent consideration tranche two. Property, Plant and Equipment [Abstract] Derivative Instrument [Axis] Derivative Instrument [Axis] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Liability Class [Axis] Liability Class [Axis] Related Party Transactions [Abstract] All Trading Arrangements All Trading Arrangements [Member] Measurement Input Type [Axis] Measurement Input Type [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Award Timing Disclosures [Line Items] Conversion of stock (in shares) Conversion of Stock, Shares Issued Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Compensation Amount Outstanding Recovery Compensation Amount Percentage threshold of cumulative purchaser payments required for discontinuance of revenue interest payments Percentage Threshold of Cumulative Purchaser Payments Required for Discontinuance of Revenue Interest Payments Percentage Threshold of Cumulative Purchaser Payments Required for Discontinuance of Revenue Interest Payments Additional paid-in capital Additional Paid in Capital Issuance of common stock upon reverse recapitalization and PIPE Financing (in shares) Stock Issued During Period, Shares, Reverse Recapitalization Stock Issued During Period, Shares, Reverse Recapitalization Document Information [Line Items] Document Information [Line Items] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Proceeds from the exercise of stock options Proceeds from Stock Options Exercised Statement of Comprehensive Income [Abstract] Capital Shares Reserved for Future Issuance [Axis] Capital Shares Reserved for Future Issuance [Axis] The table relating to information on capital stock reserved for future issuance. Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Options available for issuance under stock plans Options Available for Issuance Under Stock Plans [Member] Represents the information on issuance of options under stock plan. License fee payable Collaborative Arrangement, License Fee Payable Collaborative Arrangement, License Fee Payable Number of securities issued or issuable (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Insider Trading Arrangements [Line Items] Related Party [Axis] Related Party, Type [Axis] Aggregate intrinsic value, outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Scientific and manufacturing equipment Scientific and Manufacturing Equipment [Member] N/A Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Private Placement Warrants liability Common stock warrant liabilities Warrants and Rights Outstanding Adjustment to Compensation, Amount Adjustment to Compensation Amount Change in fair value of Contingent Earnout Liability Change in fair value of Contingent Earnout Liability Non-cash loss on remeasurement of Contingent Earnout Liability Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Adoption Date Trading Arrangement Adoption Date Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Weighted average exercise price, vested and exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Finance lease obligation, net of current portion Finance Lease, Liability, Noncurrent Entity Central Index Key Entity Central Index Key Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Option agreement, value of shares authorized for issuance Option Agreement, Shares Authorized for Issuance, Value Option Agreement, Shares Authorized for Issuance, Value Stock-based compensation expense Share-Based Payment Arrangement, Expense Tranche one Contingent Consideration Tranche One [Member] Represents the information pertaining to contingent consideration tranche one. Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income tax expense or benefit Income Tax Expense (Benefit) Finance lease right-of-use assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Accrued employee compensation and benefits Employee-related Liabilities, Current Fair Value Measurements Fair Value Disclosures [Text Block] TPC Investments III LP and TPC Investment Solutions LP TPC Investments III LP and TPC Investment Solutions LP [Member] TPC Investments III LP and TPC Investment Solutions LP Number of operating segments Number of Operating Segments Name Trading Arrangement, Individual Name Issuance of stock in public offering, net of issuance costs Stock Issued During Period, Value, New Issues Entity [Domain] Entity [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Amendment Flag Amendment Flag Legal Entity [Axis] Legal Entity [Axis] Royalty percentage Royalty Percentage of Annual Net Sales Payable Royalty Percentage of Annual Net Sales Payable Cash equivalents (money market funds) Money Market Funds [Member] Change in fair value of derivative liabilities Change in fair value of derivative liabilities Unrealized Gain (Loss) on Derivatives Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash paid for interest on SVB loan Interest Paid, Excluding Capitalized Interest, Operating Activities Assets: Assets, Fair Value Disclosure [Abstract] Contingent Earnout Liability Business Combinations Policy [Policy Text Block] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Contingent Consideration by Type [Domain] Contingent Consideration Type [Domain] Leasehold improvements Leasehold Improvements [Member] Proceeds from revenue interest purchase agreement Proceeds from Issuance of Unsecured Debt Weighted-average shares outstanding used in computing net loss per share attributable to common stockholders, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Royalty cap, actual award multiplier One-Time Royalty, Amount, Actual Award Multiplier One-Time Royalty, Amount, Actual Award Multiplier Software Software Development [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Number of additional shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Operating expenses: Operating Expenses [Abstract] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Commercial Milestone Commercial Milestone [Member] Commercial Milestone Additional Paid-in Capital Additional Paid-in Capital [Member] Aggregate milestone payments potentially receivable Aggregate Milestone Payments Potentially Receivable Aggregate Milestone Payments Potentially Receivable Balance Sheet Location [Axis] Balance Sheet Location [Axis] Total assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name Cover [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Debt discount from embedded contingent derivative liability Noncash Contingent Derivative Liability Noncash Contingent Derivative Liability Recurring Fair Value, Recurring [Member] Other long-term liabilities Other Liabilities, Noncurrent Measurement Input, Payoff of Instrument, Discount Rate Measurement Input, Payoff Of Instrument, Discount Rate Member [Member] Measurement Input, Payoff Of Instrument, Discount Rate Member Non-NEOs Non-NEOs [Member] Reconciliation of Cash, Cash Equivalents and Restricted Cash Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Restrictions on Cash and Cash Equivalents [Table] Restrictions on Cash and Cash Equivalents [Table] Embedded Derivative Financial Instruments, Revenue Interest Purchase Agreement Embedded Derivative Financial Instruments, Revenue Interest Purchase Agreement [Member] Embedded Derivative Financial Instruments, Revenue Interest Purchase Agreement Total operating expenses Operating Expenses Number of services agreements entered into Number of Services Agreements Entered Into Number of Services Agreements Entered Into Amortization expense Finance Lease, Right-of-Use Asset, Amortization Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Unpaid issuance costs in connection with public offering Stock Issuance Costs Incurred But Not Paid Stock Issuance Costs Incurred But Not Paid Equity Component [Domain] Equity Component [Domain] Finance lease obligation, current portion Finance Lease, Liability, Current Adjustment to Compensation: Adjustment to Compensation [Axis] Option Period [Domain] Option Period [Domain] Option Period [Domain] Purchase price of common stock, percent of closing trading price Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Duke University Duke University [Member] Represents the pertaining information of duke university. Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Common stock reserved for Contingent Earnout Shares Common stock reserved for Contingent Consideration Shares [Member] Represents the information pertaining to common stock reserved for Contingent Consideration Shares. Accrued Expenses Accrued Liabilities Disclosure [Text Block] The entire disclosure for Accrued Liabilities Disclosure of financial statements disclosure. Weighted-average shares outstanding used in computing net loss per share attributable to common stockholders, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Entity Current Reporting Status Entity Current Reporting Status Shares available for grant under ESPP Shares available for grant under ESPP [Member] Represents the information pertaining to shares available for grant under ESPP. Loss from operations Operating losses Operating Income (Loss) Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Number of shares, vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Weighted Average Remaining Contractual Term and Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Public Stock Offering Public Stock Offering [Member] Public Stock Offering [Member]