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v3.25.1

Summary of Significant Accounting Policies - Additional Information (Details) € in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 USD ($) lease financialInstitution shares | Mar. 31, 2024 USD ($) shares | Mar. 31, 2025 EUR (€) lease financialInstitution shares | Dec. 31, 2024 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Cash and cash equivalents | $ 14,304,000 |  |  | $ 35,668,000
Number of financial institutions used for cash deposits | financialInstitution | 2 |  | 2 |
Depreciation and amortization expense | $ 43,000 | $ 26,000 |  |
Impairment losses | 0 | 0 |  |
Government assistance, amount | $ 1,100,000 | $ 36,000 |  |
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income (expense), net | Other income (expense), net |  |
Number of existing operating leases | lease | 3 |  | 3 |
Pre-funded stock warrants |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Warrant exercised (in shares) | shares | 11,193,564 | 11,193,564 | 11,193,564 |
Germany |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Cash and cash equivalents | $ 6,700,000 |  |  |
Australian research and development tax incentive | € |  |  | € 3.5 |
United States |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Cash and cash equivalents | $ 7,500,000 |  |  |
Investment interest rate (as a percent) | 4.23% |  | 4.23% |
United States | Money market funds |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Investment interest rate (as a percent) | 4.23% |  | 4.23% |
Australia |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Cash and cash equivalents | $ 100,000 |  |  |
Government R&D assistance rate (as a percent) | 43.50% |  |  |
Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life (in years) | 13 years |  | 13 years |
Lease term (in months) | 60 months |  | 60 months |
Maximum | Germany | Money market funds |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Investment interest rate (as a percent) | 3.25% |  | 3.25% |
Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life (in years) | 3 years |  | 3 years |
Lease term (in months) | 12 months |  | 12 months |
Minimum | Germany | Money market funds |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Investment interest rate (as a percent) | 2.15% |  | 2.15% |

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