Concentrations of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Research and development and out-of-pocket
Percentage Of Research And Development Costs
Percentage Of Research And Development Costs
Capital contributions
Proceeds from Contributed Capital
Net Loss per Common Share
Earnings Per Share, Policy [Policy Text Block]
Restricted stock units, vested and settled (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Net loss
Net loss
Net Income (Loss) Attributable to Parent
Entity Emerging Growth Company
Entity Emerging Growth Company
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Purchase price
Sub Licensed Agreement Aggregate Purchase Price
Sub licensed agreement aggregate purchase price.
Preferred stock, outstanding (in shares)
Preferred Stock, Shares Outstanding
City Area Code
City Area Code
Income Statement Location [Axis]
Income Statement Location [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Accumulated deficit
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Entity Address, Address Line One
Entity Address, Address Line One
Restricted stock units
Restricted stock units outstanding
Restricted Stock Units (RSUs) [Member]
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Schedule of Common Stock Reserved for Future Issuance
Schedule Of Common Stock Reserved For Future Issuance [Table Text Block]
Schedule of common stock reserved for future issuance.
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Forfeited, weighted average grant date fair value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Income Statement [Abstract]
Income Statement [Abstract]
Amendment Flag
Amendment Flag
Entity Filer Category
Entity Filer Category
Stock options repricing, vested and unvested stock options outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Stock Options Repricing, Vested and Expected to Vest, Outstanding, Number
Share-based Compensation Arrangement by Share-based Payment Award, Stock Options Repricing, Vested and Expected to Vest, Outstanding, Number
Number of options, forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
2018 Equity Incentive Plan
Equity Incentive Plan 2018 [Member]
Equity Incentive Plan 2018.
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Expected dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Equity awards available for future grants (in shares)
Common shares outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Net change in cash
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Restricted stock units vested and settled (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Weighted average exercise price, forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
(Benefit) provision for income taxes
Income Tax Expense (Benefit)
Options outstanding as result of the acquisition (in shares)
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Assumed And Converted Into Options To Purchase Shares
Share based compensation arrangement by share based payment award number of shares assumed and converted into options to purchase shares.
Stock-based compensation
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Equity Components [Axis]
Equity Components [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Total current assets
Assets, Current
Document Fiscal Year Focus
Document Fiscal Year Focus
Sale of Stock [Domain]
Sale of Stock [Domain]
Restricted stock units, forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Accrued bonuses
Accrued Bonuses, Current
Schedule of Stock by Class [Table]
Schedule of Stock by Class [Table]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Entity File Number
Entity File Number
Stock-based Compensation
Share-based Payment Arrangement [Policy Text Block]
Preferred stock value
Preferred Stock, Value, Outstanding
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Weighted average exercise price, expired (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Antidilutive securities excluded from computation of earnings per share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Unrecognized equity-based compensation related to unvested stock options
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount
Research and Development Expense
Research and Development Expense [Member]
Sale of Stock [Axis]
Sale of Stock [Axis]
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Small Business
Entity Small Business
Preferred stock, par value (in dollars per share)
Preferred Stock, Par or Stated Value Per Share
Upfront, non-refundable payment
Upfront Payments
Upfront payments
Issued, 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
Percentage of voting power of outstanding shares
Percentage Of Voting Power Of Outstanding Shares
Percentage of voting power of outstanding shares.
Business Acquisition [Axis]
Business Acquisition [Axis]
Weighted average fair value at the grant date (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Equity Component [Domain]
Equity Component [Domain]
Restricted stock units outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Award Type [Domain]
Award Type [Domain]
Assets
Assets [Abstract]
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Additional Disclosures
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Number of options, exercisable (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Statement [Line Items]
Statement [Line Items]
Restricted stock units, grants in period (in shares)
Restricted stock units, issued (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Weighted- Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Proceeds from stock options exercised
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised
Options outstanding (in shares)
Number of options, beginning balance (in shares)
Number of options, ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Entity Address, City or Town
Entity Address, City or Town
Milestone payments
Milestone Payments
Milestone Payments
Accumulated deficit
Retained Earnings [Member]
Number of sublease agreements
Number of Sublease Agreements
Number of Sublease Agreements
Entity Address, State or Province
Entity Address, State or Province
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Percentage of common stock outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Roivant Sciences Ltd. (RSL)
Roivant Sciences Ltd.
Roivant Sciences Ltd. [Member]
Roivant Sciences Ltd. [Member]
Related Party [Axis]
Related Party [Axis]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Accounts payable
Increase (Decrease) in Accounts Payable, Trade
Number of options, granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Entity Shell Company
Entity Shell Company
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Local Phone Number
Local Phone Number
Summary of Stock-based Compensation Expense
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Entity Interactive Data Current
Entity Interactive Data Current
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Total assets
Assets
Plan Name [Domain]
Plan Name [Domain]
Common stock, authorized (in shares)
Common Stock, Shares Authorized
Number of operating segments
Number of Operating Segments
Net loss per common share - basic (in dollars per share)
Earnings Per Share, Basic
Operating lease rent expense
Operating Lease, Expense
Repayment of note payable to Roivant Sciences Ltd.
Repayments of Notes Payable
Capital contribution – stock-based compensation
Adjustments To Additional Paid In Capital Contribution Share Based Compensation
Adjustments to additional paid in capital contribution share based compensation.
Research and development
Research and Development Expense
Restricted stock units, outstanding (in shares)
Outstanding, beginning balance (in shares)
Outstanding, ending balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Document Type
Document Type
Risks and Uncertainties
Risks And Uncertainties [Policy Text Block]
Risks And Uncertainties [Policy Text Block]
Sellers
Sellers [Member]
Prepaid expenses and other current assets
Prepaid Expense, Current
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested Restricted Stock Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Entity Current Reporting Status
Entity Current Reporting Status
Net cash used in operating activities
Net Cash Provided by (Used in) Operating Activities
Entity Tax Identification Number
Entity Tax Identification Number
Maximum number of shares issued (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Other non-cash items
Other Noncash Income (Expense)
Research and Development Expense
Research and Development Expense, Policy [Policy Text Block]
Weighted-average common shares outstanding – basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Net loss per common share - diluted (in dollars per share)
Earnings Per Share, Diluted
Due to related parties
Due to Related Parties, Current
Common stock, sale price (in dollars per share)
Sale of Stock, Price Per Share
Non-cash lease expense
Operating Lease, Right-of-Use Asset, Amortization Expense
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
Plan Name [Axis]
Plan Name [Axis]
Consideration paid
Consideration Paid
Consideration Paid
Comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Cash flows from investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Net cash provided by financing activities
Net Cash Provided by (Used in) Financing Activities
Document Transition Report
Document Transition Report
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Award vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Total liabilities and stockholders’ equity
Liabilities and Equity
Other expenses
Other Accrued Liabilities, Current
Schedule of Restricted Stock Unit Awards Activity
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Underwritten Public Offering
Underwritten Public Offering [Member]
Underwritten Public Offering
Accounts payable
Accounts Payable, Current
Additional paid-in capital
Additional Paid in Capital
Common stock, par value (in dollars per share)
Common Stock, No Par Value
Upon Achievement Of Development Regulatory And Sales Milestones
Upon Achievement Of Development Regulatory And Sales Milestones [Member]
Upon Achievement Of Development Regulatory And Sales Milestones [Member]
Liabilities and Stockholders’ Equity
Liabilities and Equity [Abstract]
2019 Equity Incentive Plan
Equity Incentive Plan 2019 [Member]
Equity Incentive Plan 2019 Member
Accumulated other comprehensive income (loss)
AOCI Attributable to Parent [Member]
Preferred stock as converted
Convertible Preferred Stock [Member]
Common stock, outstanding (in shares)
Common Stock, Shares, Outstanding
Immunovant Sciences Ltd
Immunovant Sciences Ltd [Member]
Immunovant Sciences Ltd.
Operating expenses:
Operating Expenses [Abstract]
Ownership percentage
Equity Method Investment, Ownership Percentage
Warrant Redemption
Warrant Redemption [Member]
Warrant Redemption
Stock options exercised
Stock Issued During Period, Value, Stock Options Exercised
Minimum
Minimum [Member]
Vesting of sponsor restricted shares (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Description of Business and Liquidity
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Upon Achievement of Earnout Shares Milestone
Upon Achievement of Earnout Shares Milestone [Member]
Upon Achievement of Earnout Shares Milestone
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Preferred stock, authorized (in shares)
Preferred Stock, Shares Authorized
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate
Income Statement Location [Domain]
Income Statement Location [Domain]
Promissory note term
Debt Instrument, Term
Trading Symbol
Trading Symbol
Property and equipment, net
Property, Plant and Equipment, Net
Total operating expenses
Operating Expenses
Percentage of business acquisition
Business Acquisition, Percentage of Voting Interests Acquired
Current liabilities:
Liabilities, Current [Abstract]
Issuance of common stock
Stock Issued During Period, Value, New Issues
General and administrative
General and Administrative Expense
Beginning balance (in shares)
Ending balance (in shares)
Shares, Outstanding
Weighted average exercise price, exercisable (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Stock-Based Compensation
Share-based Payment Arrangement [Text Block]
Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Foreign currency translation adjustments
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Document Quarterly Report
Document Quarterly Report
Vested Stock Options
Share-Based Payment Arrangement, Option, Vested [Member]
Share-Based Payment Arrangement, Option, Vested
Remaining contractual term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Payment of deferred offering costs
Payments of Stock Issuance Costs
Issuance of common stock (in shares)
Stock Issued During Period, Shares, New Issues
Number of reportable segments
Number of Reportable Segments
Legal and other professional fees
Accrued Professional Fees, Current
Weighted average exercise price, beginning balance (in dollars per share)
Weighted average exercise price, ending balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Common stock, par value $0.0001 per share, 500,000,000 shares authorized, 114,998,871 shares issued and outstanding at September 30, 2021 and 500,000,000 shares authorized, 97,971,243 shares issued and outstanding at March 31, 2021
Common Stock, Value, Issued
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Unvested Stock Options
Share-based Payment Arrangement, Option, Unvested [Member]
Share-based Payment Arrangement, Option, Unvested
Remaining weighted average service period for recognition
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Outstanding, weighted average grant date fair value, beginning balance (in dollars per share)
Outstanding, weighted average grant date fair value, ending balance (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Stock option repricing, weighted average exercise price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Stock Options Repricing, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Stock Options Repricing, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Commitments and contingencies (Note 9)
Commitments and Contingencies
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Share based compensation expense
Stock-based compensation expense
Share-based Payment Arrangement, Expense
Restricted stock units vested and not settled (not unvested)
Restricted Stock Units Not Settled [Member]
Restricted Stock Units Not Settled
Accumulated other comprehensive income (loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Remaining contractual term, exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Liquidation amount per share (in dollars per share)
Liquidation Amount Per Share
liquidation amount per share.
Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Document Fiscal Period Focus
Document Fiscal Period Focus
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Restricted Stock
Restricted Stock [Member]
Series A preferred stock
Series A Preferred Stock [Member]
Capital contribution – expenses allocated from Roivant Sciences Ltd.
Adjustments To Additional Paid In Capital Contribution Expenses Allocated from Related Party
Adjustments to additional paid in capital contribution expenses allocated from related party.
Schedule of Fair Value Assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Ownership [Axis]
Ownership [Axis]
Document Period End Date
Document Period End Date
Payables and Accruals [Abstract]
Payables and Accruals [Abstract]
Cash – beginning of period
Cash – end of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Class of Stock [Axis]
Class of Stock [Axis]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Number of shares issued in transaction (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Entity Registrant Name
Entity Registrant Name
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Current assets:
Assets, Current [Abstract]
Total (in shares)
Number of common shares available for future issuance (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Entity Central Index Key
Entity Central Index Key
Consideration received from sale of stock
Sale of Stock, Consideration Received on Transaction
Security Exchange Name
Security Exchange Name
Stock options exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Weighted-average common shares outstanding – diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Material Agreements [Abstract]
Material Agreements
Number of shares issued in business combination (in shares)
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares
Total other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Accrued expenses
Total accrued expenses
Accrued Liabilities, Current
Subsidiary or Equity Method Investee [Line Items]
Subsidiary or Equity Method Investee [Line Items]
Award requisite service period
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period
Income Taxes
Income Tax Disclosure [Text Block]
Operating lease and other noncurrent liabilities
Increase (Decrease) in Operating Lease Liabilities And Other Noncurrent Liabilities
Increase (Decrease) in Operating Lease Liabilities And Other Noncurrent Liabilities
Related Party [Domain]
Related Party [Domain]
Current Fiscal Year End Date
Current Fiscal Year End Date
Summary of Stock Option Activity
Share-based Payment Arrangement, Option, Activity [Table Text Block]
Accrued financial advisory fees
Accrued Financial Advisory Fees, Current
Accrued Financial Advisory Fees, Current
Stockholders' Equity
Stockholders' Equity Note Disclosure [Text Block]
Options
Stock Options
Share-based Payment Arrangement, Option [Member]
Summary of Potentially Dilutive Securities that Have Been Excluded from the Calculation of Diluted Net Loss Per Share Due to their Anti-Dilutive Effect
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense
Equity [Abstract]
Equity [Abstract]
Statement of Cash Flows [Abstract]
Common stock
Common Stock [Member]
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Financial advisory fees
Professional Fees
Cash flows from operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
Exercised, weighted average grant date fair value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
General and Administrative Expense
General and Administrative Expense [Member]
Current portion of operating lease liabilities
Operating Lease, Liability, Current
Expected term, in years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Total current liabilities
Liabilities, Current
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Class of Stock [Domain]
Class of Stock [Domain]
Stock-based compensation
Share-based Payment Arrangement, Noncash Expense
Additional paid-in capital
Additional Paid-in Capital [Member]
Cash
Cash and Cash Equivalents, at Carrying Value
Depreciation on property and equipment
Depreciation
Related party transaction, amounts
Related Party Transaction, Amounts of Transaction
Operating lease liabilities, net of current portion, and other noncurrent liabilities
Operating Lease, Liability, And Other Liabilities, Noncurrent
Operating Lease, Liability, And Other Liabilities, Noncurrent
Contingent milestone payments
Unrecorded Unconditional Purchase Obligation
Ownership [Domain]
Ownership [Domain]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Schedule Of Common Stock Reserved For Future Issuance [Line Items]
Schedule Of Common Stock Reserved For Future Issuance [Line Items]
Schedule of common stock reserved for future issuance.
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Research and development expenses
Accrued Research And Development Expenses
Accrued Research And Development Expenses
Title of 12(b) Security
Title of 12(b) Security
Other expense (income), net
Other Nonoperating Income (Expense)
Statement [Table]
Statement [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Capital Contributions
Capital Contributions [Member]
Capital Contributions
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Purchase of property and equipment
Payments to Acquire Property, Plant, and Equipment
Unrecognized equity-based compensation related to RSUs
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Maximum
Maximum [Member]
Share-based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Schedule Of Common Stock Reserved For Future Issuance [Table]
Schedule Of Common Stock Reserved For Future Issuance [Table]
Schedule of common stock reserved for future issuance.
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Total liabilities
Liabilities
Cover [Abstract]
Cover [Abstract]
HanAll Biopharma Co., Ltd
HanAll Biopharma Co., Ltd [Member]
HanAll Biopharma Co., Ltd
Schedule of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Material Agreements
Material Agreements Disclosure [Text Block]
Material Agreements Disclosure [Text Block]
Award Type [Axis]
Award Type [Axis]
Series A preferred stock
Preferred Stock
Preferred Stock [Member]
Weighted average exercise price, granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Cash flows from financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Number of options, expired (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Total stockholders’ equity
Beginning balance
Ending balance
Stockholders' Equity Attributable to Parent
Common stock, issued (in shares)
Common Stock, Shares, Issued
Conversion of Series A preferred stock (in shares)
Convertible Preferred Stock, Shares Reserved for Future Issuance
Preferred stock, issued (in shares)
Preferred Stock, Shares Issued
Aggregate intrinsic value, exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
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]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Stockholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]