Common stock, cash dividends paid (in usd per share)
Common Stock, Dividends, Per Share, Cash Paid
Summary of Significant Accounting Policies
Significant Accounting Policies [Text Block]
Range [Domain]
Statistical Measurement [Domain]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
2026
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year
Entity File Number
Entity File Number
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Impairment of Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Tabular List, Table
Tabular List [Table Text Block]
Recently Adopted Accounting Standards
New Accounting Pronouncements, Policy [Policy Text Block]
Accounts payable
Increase (Decrease) in Accounts Payable
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Shares issued from exercise of pre-funded warrants (in shares)
Class of Warrant or Right, Outstanding
Net loss per share, basic (in usd per share)
Earnings Per Share, Basic
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Liabilities
Liabilities, Fair Value Disclosure [Abstract]
Total common shares reserved for future issuance (in shares)
Common Stock, Capital Shares Reserved for Future Issuance
Consecutive trading days period (in days)
Class of Warrant or Right, Exercise Price of Warrants or Rights, Consecutive Trading Day Period
Class of Warrant or Right, Exercise Price of Warrants or Rights, Consecutive Trading Day Period
Change in fair value of SARs liability
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)
Schedule of Stock by Class [Table]
Stock, Class of Stock [Table]
Schedule of Significant Expense
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Stock-based compensation
Total
Non-cash stock compensation
Share-Based Payment Arrangement, Noncash Expense
Shares reserved for the February 2026 common warrants
February 2026 Common Warrants [Member]
February 2026 Common Warrants
Stock options granted subject to shares available liability
Outstanding stock options
Share-Based Payment Arrangement, Option [Member]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Research and Development Expenses
Research and Development Expense, Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Securities Purchase Agreement
Securities Purchase Agreement [Member]
Securities Purchase Agreement
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Total stockholders’ equity (deficit)
Beginning balance
Ending balance
Equity, Attributable to Parent
Insider Trading Policies and Procedures [Line Items]
Share-based compensation expense
Share-Based Payment Arrangement, Expense
Common stock, shares authorized (in shares)
Common Stock, Shares Authorized
Current assets:
Assets, Current [Abstract]
Total liabilities and stockholders’ equity (deficit)
Liabilities and Equity
Foreign Currency Translation and Presentation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Employees
Employee [Member]
Employee [Member]
Liabilities and Stockholders’ Equity (Deficit)
Liabilities and Equity [Abstract]
Cover [Abstract]
Money market funds
Cash and Cash Equivalents, Fair Value Disclosure
Maximum
Maximum [Member]
General and administrative
General and Administrative Expense [Member]
Options exercisable, ending balance (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Shares reserved for the May 2025 Series B warrants
May 2025 Series B Warrants [Member]
May 2025 Series B Warrants
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Schedule of Maturities of Operating Lease Obligation
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Pay vs Performance Disclosure [Line Items]
Class of Warrant or Right [Axis]
Class of Warrant or Right [Axis]
Present value of obligation
Operating Lease, Liability
Foreign currency translation
Foreign exchange translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Depreciation and amortization expense
Depreciation, Depletion and Amortization, Nonproduction
Entity Shell Company
Entity Shell Company
Planegg, Germany
Planegg, Germany [Member]
Planegg, Germany
Offering
Offering [Member]
Offering
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Company Selected Measure Amount
Company Selected Measure Amount
2029
Lessee, Operating Lease, Liability, to be Paid, Year Three
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Total comprehensive loss
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Schedule of Other Current Assets and Prepaid Expenses
Schedule of Other Current Assets [Table Text Block]
Name
Measure Name
Schedule of Stock-Based Compensation Expense for Stock Awards Recognized
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Lease liabilities
Operating Lease, Liability, Current
Schedule of Fair Value of Tranche Rights
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Class of Stock [Line Items]
Class of Stock [Line Items]
Document Fiscal Period Focus
Document Fiscal Period Focus
Collaboration Arrangements
Collaborative Arrangement, Accounting Policy [Policy Text Block]
Award Timing Method
Award Timing Method [Text Block]
Award Type [Axis]
Award Type [Axis]
Total assets
Assets
Cash flows from investing activities:
Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract]
Stock-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Trading Symbol
Trading Symbol
2030
Lessee, Operating Lease, Liability, to be Paid, Year Four
Geographical [Domain]
Geographical [Domain]
Income Taxes
Income Tax, Policy [Policy Text Block]
Entity Address, City or Town
Entity Address, City or Town
Accrued legal and audit costs
Accrued Legal And Audit Costs, Current
Accrued Legal And Audit Costs, Current
Effect of exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Income Statement Location [Domain]
Statement of Income Location, Balance [Domain]
Schedule of Shares Reserved for Future Issuance
Schedule Of Common Stock Reserved For Future Issuance [Table Text Block]
Schedule Of Common Stock Reserved For Future Issuance [Table Text Block]
Additional shares authorized (as a percent)
Share-based Compensation Arrangement By Share-Based Payment Award, Additional Shares Authorized, Percent
Share-based Compensation Arrangement By Share-Based Payment Award, Additional Shares Authorized, Percent
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
May 2025 Pre-Funded Warrants Offering
May 2025 Pre-Funded Warrants Offering [Member]
May 2025 Pre-Funded Warrants Offering
Assets
Assets, Fair Value Disclosure [Abstract]
Entity Emerging Growth Company
Entity Emerging Growth Company
Common stock, cash dividends declared (in usd per share)
Common Stock, Dividends, Per Share, Declared
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Clinical product candidates
Clinical Product Candidates
Clinical Product Candidates
Outstanding, beginning balance (in shares)
Outstanding, ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Accrued compensation
Accrued Compensation, Current
Accrued Compensation, Current
January 2024 Pre-Funded Warrants
Shares reserved for the January 2024 Pre-funded stock warrants
January 2024 Pre-Funded Warrants [Member]
January Pre-Funded Warrants
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Number of tranches
Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Tranches
Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Tranches
New York City
New York City [Member]
New York City
Common stock, shares outstanding (in shares)
Beginning balance (in shares)
Ending balance (in shares)
Common Stock, Shares, Outstanding
Placement agent warrants
Placement Agent Warrants [Member]
Placement Agent Warrants
Plan Name [Axis]
Plan Name [Axis]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
PEO
PEO [Member]
Interest income
Interest Income
Investment Income, Interest
Number of employees
Entity Number of Employees
Options issued (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period
United States
UNITED STATES
Changes in operating assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Expected volatility
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Accumulated Deficit
Retained Earnings [Member]
Prepaid expenses and other current assets
Total
Prepaid Expense and Other Assets, Current
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-Based Payment Arrangement [Abstract]
Cash and cash equivalents, beginning of period
Cash and cash equivalents, end of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Income Statement [Abstract]
Sale of Stock [Domain]
Sale of Stock [Domain]
Preferred stock, shares issued (in shares)
Preferred Stock, Shares Issued
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Expiration period from the date of issuance (in years)
Class of Warrant or Right, Expiration Period From The Date Of Issuance
Class of Warrant or Right, Expiration Period From The Date Of Issuance
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Exercisable, ending balance (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Total Liabilities
Liabilities, Fair Value Disclosure
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Warrants and Tranche Rights
Stockholders' Equity, Policy [Policy Text Block]
Shares reserved for the February 2026 Pre-funded warrants
February 2026 Pre-Funded Warrants [Member]
February 2026 Pre-Funded Warrants
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Proceeds from February 2026 Private Placement, net of issuance costs
Proceeds from issuance of private placement
Proceeds from Issuance of Private Placement
Royalty Purchase Agreement
Royalty Purchase Agreement [Member]
Royalty Purchase Agreement
City Area Code
City Area Code
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
All Trading Arrangements
All Trading Arrangements [Member]
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Accrued expenses
Total
Accrued Liabilities, Current
Lessee Disclosure [Abstract]
Common stock options available for future grant:
Employee Stock Options for Future Grant [Member]
Employee Stock Options for Future Grant [Member]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
General and administrative
General and Administrative Expense
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Net cash used in operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Estimated useful life (in years)
Property, Plant and Equipment, Useful Life
Preferred stock, par value (in usd per share)
Preferred Stock, Par or Stated Value Per Share
Subsequent Event
Subsequent Event [Member]
Schedule of Valuation Assumptions Used
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
PEO Total Compensation Amount
PEO Total Compensation Amount
Money market funds
Money Market Funds [Member]
Impairment losses
Tangible Asset Impairment Charges
Placement agent agreement, cash fee, percent of gross proceeds from offering (as a percent)
Placement Agent Agreement, Brokerage Fee, Percent
Placement Agent Agreement, Brokerage Fee, Percent
Equity Components [Axis]
Equity Components [Axis]
Series A Warrants
Series A Warrants [Member]
Series A Warrants
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Number of reportable segments
Number of Reportable Segments
Australian research and development tax incentive
Government Assistance, Qualified Research and Development Expenditures, Maximum Amount
Government Assistance, Qualified Research and Development Expenditures, Maximum Amount
Monthly base salary
Salary and Wage, Officer, Monthly Base Salary
Salary and Wage, Officer, Monthly Base Salary
Other Performance Measure, Amount
Other Performance Measure, Amount
Weighted- Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Entity Address, State or Province
Entity Address, State or Province
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Related Party [Domain]
Related and Nonrelated Parties [Domain]
Non-statutory options
Non-Statutory Employee Stock Option [Member]
Non-Statutory Employee Stock Option [Member]
Total current liabilities
Liabilities, Current
Series B Warrants
Series B Warrants [Member]
Series B Warrants
Individual:
Individual [Axis]
Vesting [Axis]
Vesting [Axis]
Fair Value Measurement
Fair Value of Financial Instruments, Policy [Policy Text Block]
Other
Other Assets, Current
Schedule of SAR's Activity
Share-Based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block]
Research and development
Research and Development Expense [Member]
Net cash used in investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Document Fiscal Year Focus
Document Fiscal Year Focus
2021 Employee stock purchase plan
2021 Employee Stock Purchase Plan [Member]
2021 Employee Stock Purchase Plan
Basis of Presentation and Consolidation
Basis of Accounting, Policy [Policy Text Block]
Right-of-use assets, net
Operating Lease, Right-of-Use Asset
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Entity Interactive Data Current
Entity Interactive Data Current
Weighted average remaining contractual term (years) and Aggregate intrinsic value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Cash flows from operating activities:
Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract]
Plan Name [Domain]
Plan Name [Domain]
Government assistance, amount
Government Assistance, Income, Increase (Decrease)
Period over which compensation cost will be recognized (in years)
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Equity [Abstract]
Equity [Abstract]
Options exercisable, Aggregate Intrinsic Value, Ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Segment Disclosures
Segment Reporting Disclosure [Text Block]
Shares reserved for the January 2024 Pre-funded stock warrants
Pre-Funded Warrants [Member]
Pre-Funded Warrants
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]
Research grant receivable
Research and Development Grant
Research and Development Grant
SARs liability
Deferred Compensation Share-Based Arrangements, Liability, Current
Other Commitments [Line Items]
Other Commitments [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Leases
Lessee, Leases [Policy Text Block]
Depreciation
Depreciation, Depletion and Amortization
Entity Central Index Key
Entity Central Index Key
PEO Name
PEO Name
Consideration received on transaction
Sale of Stock, Consideration Received on Transaction
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Beginning balance
Ending balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Arrangement Duration
Trading Arrangement Duration
Stock price volatility, maximum (as a percent)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum
Initial exercise price per share (as a percent)
Sale of Stock, Percentage of Ownership after Transaction
Segments [Axis]
Segments [Axis]
Exercise price (in usd per share)
Class of Warrant or Right, Exercise Price of Warrants or Rights
Other current assets and prepaid expenses
Increase (Decrease) in Prepaid Expense and Other Assets
Exercise Price
Award Exercise Price
Entity Filer Category
Entity Filer Category
Non-Employee
Non-Employee [Member]
Non-Employee
Local Phone Number
Local Phone Number
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Share price (in usd per share)
Share Price
Purchase price of the stock, at discount from market price at purchase date (as a percent)
Share-Based Compensation Arrangement by Share-Based Payment Award, Discount from Market Price, Purchase Date
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Stock-Based Compensation Plans
Share-Based Payment Arrangement [Text Block]
unsold securities to be sold under shelf registration
Unsold Securities Rolled Over To Be Sold Under New Shelf Registration
Unsold Securities Rolled Over To Be Sold Under New Shelf Registration
Legal and audit costs
Legal And Audit Costs Payable, Current
Legal And Audit Costs Payable, Current
Assets
Assets [Abstract]
Thereafter
Lessee Operating Lease Liability Payments Due After Year Four
Lessee Operating Lease Liability Payments Due After Year Four
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Class of Warrant or Right [Domain]
Class of Warrant or Right [Domain]
Vesting [Domain]
Vesting [Domain]
Probability, not occurring (as a percent)
Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Probability Rate, Liquidation Event Not Occurring Estimated
Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Probability Rate, Liquidation Event Not Occurring Estimated
Fair Value
Fair Value Disclosures [Text Block]
Stockholders’ equity (deficit):
Equity, Attributable to Parent [Abstract]
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
Entity Address, Address Line One
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Two
Research and development
Research and Development Expense
SARs forfeited or expired (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations
Accumulated Other Comprehensive Income
AOCI Attributable to Parent [Member]
Operating lease liabilities
Operating Lease, Liability, Noncurrent
Exercise of warrants (in shares)
Stock Issued During Period, Shares, Conversion of Convertible Securities
Fair Value as of Grant Date
Award Grant Date Fair Value
Incremental borrowing rate on operating leases (as a percent)
Operating Lease, Incremental Borrowing Rate
Operating Lease, Incremental Borrowing Rate
Entity Registrant Name
Entity Registrant Name
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]
Proceeds from exercise of Series B warrants, net of issuance costs
Proceeds from Warrant Exercises
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Employee costs
Labor and Related Expense
Depreciation expense
Depreciation, Nonproduction
Shares issued under the ESPP (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Relationship to Entity [Domain]
Title and Position [Domain]
Exercisable, ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Total unrecognized compensation expense
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Document Quarterly Report
Document Quarterly Report
Issuance costs
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs
Total assets at fair value
Assets, Fair Value Disclosure
Non-cash lease expense
Provision for Loan, Lease, and Other Losses
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Counterparty Name [Domain]
Counterparty Name [Domain]
SARs granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted
2028
Lessee, Operating Lease, Liability, to be Paid, Year Two
Reserve stock split (in shares)
Stockholders' Equity Note, Stock Split, Conversion Ratio
Aggregate intrinsic value, ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Outstanding, Weighted-Average Remaining Contractual Term, Ending balance (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Germany
GERMANY
Schedule of Accounts Payable and Accrued Expenses
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Related Party [Axis]
Related and Nonrelated Parties [Axis]
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Restatement Determination Date:
Restatement Determination Date [Axis]
Non-PEO NEO
Non-PEO NEO [Member]
Outstanding, Aggregate Intrinsic Value, Ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Sale of Stock [Axis]
Sale of Stock [Axis]
Name
Trading Arrangement, Individual Name
Aggregate royalty fee percentage
Class of Warrant or Right, Aggregate Royalty Fee Percentage
Class of Warrant or Right, Aggregate Royalty Fee Percentage
Equity Award [Domain]
Award Type [Domain]
Clinical costs
Clinical Costs Payable, Current
Clinical Costs Payable, Current
2027
Lessee, Operating Lease, Liability, to be Paid, Year One
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
February 2026 P I P E Transaction
February 2026 P I P E Transaction [Member]
February 2026 P I P E Transaction
Compensation Amount
Outstanding Recovery Compensation Amount
Expected dividend yield (as percent)
Expected dividend yield
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Placement Agency Agreement
Placement Agency Agreement [Member]
Placement Agency Agreement
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
2019 Omnibus Equity Incentive Plan
2019 Omnibus Equity Incentive Plan [Member]
2019 Omnibus Equity Incentive Plan [Member]
Grant-date fair value (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Australia
AUSTRALIA
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Retention Bonus payout period upon termination
Salary and Wage, Retention Bonus Agreement, Termination Payout Period
Salary and Wage, Retention Bonus Agreement, Termination Payout Period
May 2022 ATM
May 2022 ATM [Member]
May 2022 ATM
Exercise of warrants
Stock Issued During Period, Value, Conversion of Convertible Securities
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Segments [Domain]
Segments [Domain]
Executive Chairman Agreement
Executive Chairman Agreement [Member]
Executive Chairman Agreement
Income Statement Location [Axis]
Statement of Income Location, Balance [Axis]
Shares sold in the Offering (as a percent)
Sale of Stock, Percentage of Ownership before Transaction
Retention agreement, bonus
Salary and Wage, Retention Bonus Agreement
Salary and Wage, Retention Bonus Agreement
VAT receivable
Value Added Tax Receivable, Current
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Warrant exercised (in shares)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights
Minimum
Minimum [Member]
Number of existing operating leases
Lessee, Operating Leases, Number Of Existing Leases
Lessee, Operating Leases, Number Of Existing Leases
Net Loss Per Share
Earnings Per Share, Policy [Policy Text Block]
Company Selected Measure Name
Company Selected Measure Name
Preferred stock, $0.0001 par value; 20,000,000 authorized and no shares issued or outstanding as of March 31, 2026 and December 31, 2025
Preferred Stock, Value, Issued
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Accounts payable
Total
Accounts Payable, Current
SARs liability
Time based stock appreciation rights
Stock Appreciation Rights (SARs) [Member]
All Executive Categories
All Executive Categories [Member]
2017 Inducement Equity Incentive Plan
2017 Inducement Equity Incentive Plan [Member]
2017 Inducement Equity Incentive Plan [Member]
Common stock, $0.0001 par value; 500,000,000 shares authorized as of March 31, 2026 and December 31, 2025 and 13,621,483 and 12,038,263 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively.
Common Stock, Value, Issued
Stock price volatility, minimum (as a percent)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum
Accounting Policies [Table]
Accounting Policies [Table]
Accounting Policies
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Tranche 2
Share-Based Payment Arrangement, Tranche Two [Member]
Title of Individual [Axis]
Title and Position [Axis]
Weighted-average common shares outstanding, diluted (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Commitments and contingencies (Note 9)
Commitments and Contingencies
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Weighted average remaining contractual term, ending balance (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms
Commission, percent of gross proceeds from sale of common stock (as a percent)
Sales of Stock, Commissions, Percent Of Gross Proceeds
Sales of Stock, Commissions, Percent Of Gross Proceeds
Entity Small Business
Entity Small Business
Issuance costs
Payments of Stock Issuance Costs
April 2025 And May 2025 Financing
April 2025 And May 2025 Financing [Member]
April 2025 And May 2025 Financing
Pre-clinical product candidates
Pre Clinical Product Candidates
Pre Clinical Product Candidates
Preferred stock, shares outstanding (in shares)
Preferred stock, shares outstanding (in shares)
Preferred Stock, Shares Outstanding
Series A Warrant and Series B Warrant
Series A Warrant and Series B Warrant [Member]
Series A Warrant and Series B Warrant
Document Transition Report
Document Transition Report
Underlying Securities
Award Underlying Securities Amount
Equity Component [Domain]
Equity Component [Domain]
Document Period End Date
Document Period End Date
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Cash and Cash Equivalents [Domain]
Cash and Cash Equivalents [Domain]
Forfeited or expired (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period
Balance Sheet Details
Supplemental Balance Sheet Disclosures [Text Block]
Contractual obligation
Contractual Obligation
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Options exercisable, Weighted-Average Remaining Contractual Term, Ending balance (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Operating lease liability
Increase (Decrease) in Operating Lease Liability
Document Type
Document Type
Beginning balance (in shares)
Ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number
Level 3
Fair Value, Inputs, Level 3 [Member]
Name
Outstanding Recovery, Individual Name
Additional paid-in capital
Additional Paid in Capital
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
2014 Equity Incentive Plan
Two Thousand Fourteen Equity Incentive Plan [Member]
Two Thousand Fourteen Equity Incentive Plan [Member]
December 2020 ATM
December 2020 ATM [Member]
December 2020 ATM
Prepaid clinical and related costs
Prepaid Clinical And Related Costs, Current
Prepaid Clinical And Related Costs, Current
All Individuals
All Individuals [Member]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Name
Forgone Recovery, Individual Name
Total current assets
Assets, Current
Range [Axis]
Statistical Measurement [Axis]
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Forfeited or expired (in usd per share)
SARs forfeited or expired (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Current liabilities:
Liabilities, Current [Abstract]
Weighted-Average Remaining Contractual Term and Aggregate Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Geographical [Axis]
Geographical [Axis]
Leases [Line Items]
Lessee, Lease, Description [Line Items]
Shelf registration, termination, prior written notice (in days)
Shelf Registration, Termination, Prior Written Notice, Number of Days
Shelf Registration, Termination, Prior Written Notice, Number of Days
Total operating expenses
Total operating expenses
Operating Expenses
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Risk-free interest rate, minimum (as a percent)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum
Level 1
Fair Value, Inputs, Level 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Number of financial institutions used for cash deposits
Number of Financial Institutions Used For Cash Deposits
Number of Financial Institutions Used For Cash Deposits
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Schedule of Related Party Transactions, by Related Party [Table]
Related Party Transaction [Table]
Net loss per share, diluted (in usd per share)
Earnings Per Share, Diluted
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Title of 12(b) Security
Title of 12(b) Security
Exercisable, aggregate intrinsic value, ending balance
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Leases [Table]
Lessee, Lease, Description [Table]
Government R&D assistance rate (as a percent)
Government Assistance, Qualified Research and Development Expenditures, Percent
Government Assistance, Qualified Research and Development Expenditures, Percent
Other comprehensive income (loss):
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Shares issues in private placement transaction (in shares)
Sale of Stock, Number of Shares Issued in Transaction
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Description of Business and Basis of Financial Statements
Business Description and Basis of Presentation [Text Block]
Total other income
Nonoperating Income (Expense)
Schedule of Potentially Dilutive Securities Not Included in Calculation of Diluted Net Loss per Share
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
May 2025 Pre-Funded Warrants
Shares reserved for the May 2025 Pre-funded warrants
May 2025 Pre-Funded Warrants [Member]
May 2025 Pre-Funded Warrants
Operating and variable lease cost
Operating And Variable Leases, Cost
Operating And Variable Leases, Cost
Comprehensive Income (Loss)
Comprehensive Income, Policy [Policy Text Block]
Other
Accounts Payable, Other, Current
2026 Inducement Equity Compensation Plan
2026 Inducement Equity Compensation Plan [Member]
2026 Inducement Equity Compensation Plan
Interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Exercised (in usd per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Award Timing Disclosures [Line Items]
2019 Omnibus Equity Incentive Plan
Two Thousand Nineteen Omnibus Equity Incentive Plan [Member]
Two Thousand Nineteen Omnibus Equity Incentive Plan
Accrued clinical and related costs
Accrued Clinical Costs, Current
Accrued Clinical Costs, Current
Granted (in usd per share)
SARs granted (usd per share)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Total
Lessee, Operating Lease, Liability, to be Paid
Renewal option period (in months)
Lessee, Operating Lease, Renewal Term
SARs exercised (in shares)
SARs exercised (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised
Common Stock
Equity [Text Block]
Schedule of Other Current Liabilities
Other Current Liabilities [Table Text Block]
Net loss
Net loss
Net Income (Loss) Attributable to Parent
Subsequent Event [Table]
Subsequent Event [Table]
Expiration Date
Trading Arrangement Expiration Date
Long-term liabilities
Liabilities, Noncurrent [Abstract]
Other liabilities
Increase (Decrease) in Other Operating Liabilities
Accrued other
Other Accrued Liabilities, Current
Vesting period (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Stock Appreciation Rights (SARs) Plan
Stock Appreciation Rights (SARs) Plan [Member]
Stock Appreciation Rights (SARs) Plan
Property and equipment, net
Property, Plant and Equipment, Net
Preferred stock, shares authorized (in shares)
Preferred Stock, Shares Authorized
Adoption Date
Trading Arrangement Adoption Date
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Duane Nash
Duane Nash [Member]
Duane Nash
Increase in other share (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Other Share Increase (Decrease)
Number of development programs
Number Of Development Programs
Number Of Development Programs
Entity Current Reporting Status
Entity Current Reporting Status
Lease term (in months)
Lessee, Operating Lease, Term of Contract
Investment interest rate (as a percent)
Investment Interest Rate
General and Administrative Expenses
Selling, General and Administrative Expenses, Policy [Policy Text Block]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Cash flows from financing activities:
Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract]
Loss from operations
Loss from operations
Operating Income (Loss)
Proceeds from issuance, net of offering expenses
Proceeds From Issuance Of Common Stock, Net Of Offering Expenses
Proceeds From Issuance Of Common Stock, Net Of Offering Expenses
Reportable Segment
Reportable Segment [Member]
Reportable Segment
Accumulated deficit
Retained Earnings (Accumulated Deficit)
Share-based payment arrangement liabilites
Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent
Adjustments to reconcile net loss to net cash used in operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Executive Category:
Executive Category [Axis]
Current Fiscal Year End Date
Current Fiscal Year End Date
Maximum annual contributions per employee (as a percent)
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
Expected term of options (years)
Expected term (years)
Expected term of options (in years)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
Professional fees and other segment expenses
Professional Fees
Weighted average exercise price
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Shares available for grant (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Statement [Table]
Statement [Table]
Other income (expense), net
Other income (expense)
Other Nonoperating Income (Expense)
Board of Directors Chairman
Board of Directors Chairman [Member]
Options granted in period, weighted-average grant date fair value (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Incentive stock options
Incentive Employee Stock Option [Member]
Incentive Employee Stock Option [Member]
Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Options to purchase common stock (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Amendment Flag
Amendment Flag
Sale of stock, price per share (in usd per share)
Sale of Stock, Price Per Share
Authorized (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
Other Commitments [Table]
Other Commitments [Table]
Leases
Lessee, Operating Leases [Text Block]
Termination Date
Trading Arrangement Termination Date
Net cash provided by financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
May 2024 ATM
May 2024 ATM [Member]
May 2024 ATM
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
May 2025 P I P E Transaction
May 2025 P I P E Transaction [Member]
May 2025 P I P E Transaction
Measure:
Measure [Axis]
Tranche 3
Share-Based Payment Arrangement, Tranche Three [Member]
Sale of stock, remaining capacity
Sale Of Stock, Remaining Capacity
Sale Of Stock, Remaining Capacity
Schedule of Stock Option Activity
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Weighted-average common shares outstanding, basic (in shares)
Weighted Average Number of Shares Outstanding, Basic
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Options exercisable, ending balance (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number
Subsequent Events [Abstract]
Subsequent Events [Abstract]
Segment Reporting [Abstract]
Options to purchase common stock
Equity Option [Member]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Risk-free interest rate
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Other income:
Nonoperating Income (Expense) [Abstract]
Entity Tax Identification Number
Entity Tax Identification Number
Outstanding, beginning balance (in usd per share)
Outstanding, ending balance (in usd per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, par value (in usd per share)
Common Stock, Par or Stated Value Per Share
Common stock, shares issued (in shares)
Common Stock, Shares, Issued
Government assistance
Government Assistance [Policy Text Block]
Probability, occuring (as a percent)
Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Probability Rate, Liquidation Event Occurring Estimated
Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Probability Rate, Liquidation Event Occurring Estimated
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
2019 Omnibus Equity Incentive Plan, Evergreen Provision
Two Thousand Nineteen Omnibus Equity Incentive Plan, Evergreen Provision [Member]
Two Thousand Nineteen Omnibus Equity Incentive Plan, Evergreen Provision
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Trading Arrangement:
Trading Arrangement [Axis]
Stock Options issued subject to shares available
Stock Options Issued Subject To Shares Available
Stock Options Issued Subject To Shares Available
Total Shareholder Return Amount
Total Shareholder Return Amount
Subsequent Events
Subsequent Events [Text Block]
Insider Trading Arrangements [Line Items]
Proceeds from issuance of warrants
Proceeds from Issuance of Warrants
Security Exchange Name
Security Exchange Name
Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Total long-term liabilities
Liabilities, Noncurrent
Total liabilities
Liabilities
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Cash and Cash Equivalents [Axis]
Cash and Cash Equivalents [Axis]
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Operating expenses:
Operating expenses:
Operating Expenses [Abstract]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Other current liabilities
Total
Other Liabilities, Current
Other
Other Sundry Liabilities, Current
Number of votes per each share of common stock
Number of Votes Per Each Share of Common Stock
Number of Votes Per Each Share of Common Stock
Issuance of common stock
Stock Issued During Period, Value, New Issues
Statement [Line Items]
Statement [Line Items]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents
Cash and Cash Equivalent
Counterparty Name [Axis]
Counterparty Name [Axis]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Additional shares authorized (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized
Risk-free interest rate, maximum (as a percent)
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum
Common Stock
Common Stock [Member]
Maximum aggregate offering price of common stock, preferred stock, warrants, debt securities, and/or units
Maximum Aggregate Offering Price Of Securities Under Shelf Registration
Maximum Aggregate Offering Price Of Securities Under Shelf Registration
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]
Net change in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation