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Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 USD ($) financialInstitution lease shares | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) financialInstitution lease shares | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 79,698,000 |  | $ 79,698,000 |  | $ 46,674,000
Number of financial institutions used for cash deposits | financialInstitution | 2 |  | 2 |  |
Depreciation expense | $ 31,000 | $ 22,000 | $ 57,000 | $ 54,000 |
Impairment losses |  |  | 0 | 0 |
Australian research and development tax incentive | 696,000 |  | 696,000 |  | $ 670,000
Government assistance, amount | $ 3,000 | $ 301,000 | $ 39,000 | $ 2,100,000 |
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Nonoperating Income (Expense) | Nonoperating Income (Expense) |
Number of existing leases | lease | 3 |  | 3 |  |
Pre-Funded Warrants |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Warrant exercised (in shares) | shares | 11,193,564 |  | 11,193,564 |  |
Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Estimated useful life (in years) | 3 years |  | 3 years |  |
Lease term (in months) | 12 months |  | 12 months |  |
Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Estimated useful life (in years) | 13 years |  | 13 years |  |
Lease term (in months) | 60 months |  | 60 months |  |
United States |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 57,300,000 |  | $ 57,300,000 |  |
Investment interest rate | 5.20% |  | 5.20% |  |
United States | Money market funds |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Investment interest rate | 5.20% |  | 5.20% |  |
Germany |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 20,900,000 |  | $ 20,900,000 |  |
Australian research and development tax incentive | $ 1,000,000 |  | $ 1,000,000 |  |
Germany | Money market funds | Minimum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Investment interest rate | 3.50% |  | 3.50% |  |
Germany | Money market funds | Maximum |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Investment interest rate | 3.75% |  | 3.75% |  |
Australia |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Cash and cash equivalents | $ 1,500,000 |  | $ 1,500,000 |  |
Government R&D assistance rate |  |  | 43.50% |  |

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