Accounting Policies [Abstract] Accounting Policies [Abstract] Accounting Standards Update 2018-13 [Member] ASU 2018-13 [Member] Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued Expenses Accounts Payable, Current Accounts payable Accretion of Issuance Costs Related to Redeemable Convertible Preferred Stock Accretion of Issuance Costs Related to Redeemable Convertible Preferred Stock Additional issuance costs from prior issuance of Series A4B preferred units Accrued deferred financing fees. Accrued Deferred Financing Fees Fees related to borrowings under loan Accrued Employee Benefits, Current Accrued employee compensation and benefits Accrued Federal And State Tax Liabilities. Accrued Federal And State Tax Liabilities Accrued federal and state taxes Accrued Interest Expense Accrued Interest Expense Accrued interest expense Accrued Liabilities, Current Accrued expenses Total accrued expenses Accrued Professional Fees, Current Accrued legal fees Accrued research and development expenses current. Accrued Research and Development Expenses Current Accrued external research and development expenses Accrued Research And Development Expenses Policy Text Block. Accrued Research And Development Expenses [Policy Text Block] Accrued Research and Development Expenses Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation and amortization Additional Common Stock To Be Issued Additional Common Stock To Be Issued Additional Common Stock To Be Issued Additional Paid in Capital, Common Stock Additional paid-in-capital Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Additional proceeds from financing activities. Additional Proceeds from Financing Activities Additional finance proceeds Additional Severance Agreements. Additional Severance Agreements Additional severance agreements Adimab agreement. Adimab Agreement [Member] Adimab Agreement Adimab Limited Liability Company [Member] Adimab Limited Liability Company [Member] Adimab, LLC Accounting Standards Update [Axis] Accounting Standards Update [Axis] APIC, Share-based Payment Arrangement, Increase for Cost Recognition Share-based compensation expense Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Stock issuance costs Additional issuance costs in connection with the prior issuance of Series A4B preferred units Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Aggregate Gross Proceeds From Issuance Of Common Stock Aggregate Gross Proceeds From Issuance Of Common Stock Proceeds from issuance of common stock, gross Share-based Payment Arrangement, Expense Stock-based compensation expense Amendment Flag Amendment Flag Amortization Expense Included In Interest Expense Amortization Expense Included In Interest Expense Interest expense related to amortization of debt discount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities excluded from computation of diluted weighted average shares outstanding Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Assets Total assets Assets [Abstract] Assets Assets, Current Total current assets Assets, Current [Abstract] Current assets: Assets, Fair Value Disclosure Total assets Assets, Fair Value Disclosure [Abstract] Assets Assets Not Yet Placed In Service [Member] Assets Not Yet Placed In Service [Member] Assets Not Yet Placed in Service Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Award Type [Axis] Award Type [Axis] Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Blockers. Blockers [Member] Blockers Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business acquisition common membership interests issued or issuable number of shares issued. Business Acquisition Common Membership Interests Issued or Issuable Number of Shares Issued Common stock shares issued under common membership interests Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Common stock shares issued under equity interest Business Description and Basis of Presentation [Text Block] Nature of Business and Basis of Presentation Call Option [Member] Call Right Liability Capitalized Computer Software, Net Capitalized software Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents, Fair Value Disclosure Cash equivalents - money market funds Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net change in cash, cash equivalents and restricted cash Cash consideration for cancelling membership interests in connection with merger. Cash Consideration For Cancelling Membership Interests In Connection With Merger Cash consideration for cancelling membership interests in connection with merger Cash considerations paid. Cash considerations paid Cash consideration paid for canceling membership units Cash Equivalents, at Carrying Value Cash equivalents Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of financing activities Cash Flows [Abstract] Cash Flows [Abstract] Cash Flows [Abstract] Cash payment for license agreement. Cash Payment for License Agreement Cash payment for license agreement Change in Accounting Principle, Accounting Standards Update, Adopted [true false] Change in accounting principle, accounting standards update, adopted Change in Accounting Principle, Accounting Standards Update, Adoption Date Change in accounting principle, accounting standards update, adoption date Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] Change in accounting principle, accounting standards update, immaterial effect Class of Stock [Domain] Class of Stock [Domain] Class of Stock [Line Items] Class Of Stock [Line Items] Class of Warrant or Right, Date from which Warrants or Rights Exercisable Date Granted Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise Price Class of Warrant or Right, Outstanding Number Class Of Warrant Or Rights Expiration Date Class Of Warrant Or Rights Expiration Date Expiration Date Clinical and regulatory milestone payments. Clinical and Regulatory Milestone Payments Clinical and regulatory milestone payments Collaboration Agreement Date Collaboration Agreement Date Collaboration agreement date Collaboration Agreement [Member] Collaboration Agreement [Member] Collaboration Agreement Collaborative Arrangement Disclosure [Text Block] License, Research and Collaboration Agreements Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Commitments and Contingencies Commitments and contingencies Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Common Class A [Member] Class A Common Units Common Class B [Member] Common Class B [Member] Common Class C [Member] Class C Common Units Common Stock, Capital Shares Reserved for Future Issuance Number of common stock reserved for issuance Common stock reserved for future issuance Common stock reserved for issuance Common Stock Issued Upon Vesting Of Share Based Award [Member] Common Stock Issued Upon Vesting Of Share Based Award [Member] Common Stock Issued Upon Vesting Of Share Based Award [Member] Common Stock [Member] Common Stock Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock Par Value Common Stock Par Value Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Number of common stock issued Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Value, Issued Common stock Common Stock, Value, Issued Retirement Benefits [Abstract] Retirement Benefits [Abstract] Concentrations Of Credit Risk And Off Balance Sheet Risk Policy Text Block. Concentrations Of Credit Risk And Off Balance Sheet Risk [Policy Text Block] Concentrations of Credit Risk and Off-Balance Sheet Risk Consolidation, Policy [Policy Text Block] Principles of Consolidation Contract with Customer, Liability Payments receivable as certain protocol Conversion of Stock, Description Conversion of stock description Convertible Preferred Stock [Member] Convertible Preferred Stock Convertible preferred stock seriesA Five. Convertible Preferred Stock SeriesA Five [Member] Series A-5 Convertible preferred stock seriesA four B [Member] Convertible Preferred Stock SeriesA FourB [Member] Series A4B Convertible Preferred Stock Series A-4 [Member] Convertible Preferred Stock Series A Four [Member] Series A-4 Convertible Preferred Stock Series A-1 [Member] Convertible Preferred Stock Series A One [Member] Series A-1 Convertible Preferred Stock Series A-3 [Member] Convertible Preferred Stock Series A Three [Member] Series A-3 Convertible Preferred Stock Series A-2 [Member] Convertible Preferred Stock Series A Two [Member] Series A-2 Convertible Preferred Stock Series A-1 A-2, A-3 A-4 A-4B and A-5 [Member] Convertible Preferred Stock Series A One Two Three Four Fourb and Five[Member] Convertible Preferred Stock Series A One Two Three Four Fourb and Five[Member] Convertible Preferred Stock, Shares Issued upon Conversion Issuance of Class C common units associated with Series A-5 preferred units, Shares Convertible preferred stock value issued upon conversion. Convertible Preferred Stock Value Issued Upon Conversion Issuance of Class C common units associated with Series A-5 preferred units Cover [Abstract] Cover [Abstract] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Deferred Tax Asset Net Operating Losses. Current Deferred Tax Asset Net Operating Losses Net operating losses Current Federal, State and Local, Tax Expense (Benefit) Total Current Federal Tax Expense (Benefit) Federal Current State and Local Tax Expense (Benefit) State Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Loan Payable Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Basis Spread on Variable Rate Debt instrument, applicable margin interest rate Long-term Debt, Gross Long-term debt Debt Instrument, Covenant Description Debt instrument depository covenant description Debt Instrument, Face Amount Debt instrument face amount Debt Instrument, Frequency of Periodic Payment Frequency of periodic payment Debt Instrument, Interest Rate During Period Debt instrument, interest rate during period Debt Instrument, Interest Rate, Increase (Decrease) Increase in interest rate in case of default Debt Instrument, Interest Rate, Stated Percentage Debt instrument, interest rate Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument, Maturity Date Debt instrument, maturity date Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Instrument, Payment Terms Term loan facility payment terms Debt Instrument, Periodic Payment, Principal Equal monthly principal payments Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument, Unamortized Discount Unamortized debt discount Debt Instrument, Unamortized Discount, Current Less: unamortized debt discount Debt Instrument, Unamortized Discount, Noncurrent Less: unamortized debt discount Debt Issuance Costs Policy Policy [Text Block] Debt Issuance Costs Policy Policy [Text Block] Debt Issuance Costs Deferred Federal Income Tax Expense (Benefit) Federal Deferred Offering Costs Deferred offering costs Deferred offering costs included in accrued expenses. Deferred Offering Costs Included in Accrued Expenses Acquisition of equipment included in accrued expenses Deferred Offering Costs Policy [Policy Text Block] Deferred Offering Costs Policy [Policy Text Block] Deferred Offering Costs Deferred State and Local Income Tax Expense (Benefit) State Deferred tax asset before valuation allowance. Deferred tax asset before valuation allowance Short-Term Valuation allowance Deferred tax asset Long Term Valuation allowance. Deferred tax asset Long Term Valuation allowance Long-Term Valuation allowance Deferred Tax Asset Net Of Valuation Allowance, Current Deferred Tax Asset Net Of Valuation Allowance, Current Short term valuation allowance Deferred Tax Asset Net Of Valuation Allowance, Noncurrent Deferred Tax Asset Net Of Valuation Allowance, Noncurrent Long term valuation allowance Deferred Tax Assets, Gross Deferred tax asset before valuation allowance Deferred Tax Assets Net short-term deferred tax asset. Deferred Tax Assets Net short-term deferred tax asset Net short-term deferred tax asset Defined Contribution Plan [Text Block] Defined Contribution Plan Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation, Depletion and Amortization Total depreciation and amortization expense Derivative, Fair Value, Net Fair value of call right liability Derivative, Gain (Loss) on Derivative, Net Change in fair value of derivative liability Change in fair value of derivative liability Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Liability, Current Derivative liability related to loan Description of liquidity event. Description of Liquidity Event Liquidity event description Share-based Payment Arrangement [Abstract] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Share-based Payment Arrangement [Text Block] Stock-Based Compensation Dividend yield. Dividend Yield expected dividend yield Document Type Document Type Earnings Per Share, Basic and Diluted Net loss per share - basic and diluted Earnings Per Share, Policy [Policy Text Block] Net Loss per Share Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Employee Service Share Based Compensation Allocation of Recognized Period Costs [Line Items] Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Unvested stock expected to be recognized over a weighted-average period Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized compensation cost relating to nonvested profits interests Employee terminations and resignations. Employee terminations and resignations [Member] Employee terminations and resignations Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company Entity Ex Transition Period Entity Ex Transition Period Entity Filer Category Entity Filer Category Entity Incorporation, Date of Incorporation Entity incorporation, date of incorporation Entity Registrant Name Entity Registrant Name Entity Small Business Entity Small Business Equipment [Member] Equipment Equity [Abstract] Equity [Abstract] Equity Component [Domain] Equity Component [Domain] Equity [Table] Equity [Table] Equity [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Asset Class [Domain] Asset Class [Domain] Fair value assumptions expected term1. Fair Value Assumptions Expected Term1 Fair Value Assumptions Expected Term Fair value assumptions expected volatility rate1. Fair Value Assumptions Expected Volatility Rate1 Fair Value Assumptions Expected Volatility Rate Fair Value Assumptions Risk Free Interest Rate1. Fair Value Assumptions Risk Free Interest Rate1 Fair Value Assumptions Risk Free Interest Rate Asset Class [Axis] Asset Class [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Fair Value, Inputs, Level 1 [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 2 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 3 [Member] Significant Unobservable Inputs (Level 3) Fair Value Inputs Quantitative Information [Table Text Block] Fair Value Inputs Quantitative Information [Table Text Block] Schedule of Fair Value Inputs Quantitative Information Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Aggregate Fair Values of Derivative Liability Measurement Frequency [Domain] Measurement Frequency [Domain] Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Recurring [Member] Fair Value Measurements Recurring Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Change in fair value