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v3.23.3

Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) financialInstitution lease | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) financialInstitution lease | Sep. 30, 2023 EUR (€) | Sep. 30, 2022 USD ($) | Jan. 31, 2023 shares
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents | $ 59,689,000 | $ 106,745,000 |  | $ 59,689,000 |  |  |
Number of financial institutions used for cash deposits | financialInstitution | 2 |  |  | 2 |  |  |
Depreciation expense | $ 34,000 |  | $ 17,000 | $ 88,000 |  | $ 58,000 |
Impairment losses | 0 |  | 0 | $ 0 |  | 0 |
Goodwill, impairment charge |  | $ 33,000,000 |  |  |  |  |
Government assistance rate |  |  |  | 43.50% | 43.50% |  |
Government assistance, amount (up to) | $ 200,000 |  | $ 600,000 | $ 2,300,000 |  | $ 2,000,000 |
Government Assistance, Statement of Income or Comprehensive Income [Extensible Enumeration] | Nonoperating Income (Expense) |  |  | 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 |  |  |  |  |  |  | 5,096,552
Minimum |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Estimated useful life (in years) | 3 years |  |  | 3 years |  |  |
Lease term (in years) | 12 months |  |  | 12 months |  |  |
Maximum |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Estimated useful life (in years) | 13 years |  |  | 13 years |  |  |
Lease term (in years) | 60 months |  |  | 60 months |  |  |
United States |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents | $ 35,400,000 |  |  | $ 35,400,000 |  |  |
Investment interest rate | 5.00% |  |  | 5.00% |  |  |
United States | Money market funds |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Investment interest rate | 5.00% |  |  | 5.00% |  |  |
Germany |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents | $ 22,400,000 |  |  | $ 22,400,000 |  |  |
Germany | Maximum |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Government assistance, amount (up to) | € |  |  |  |  | € 1,000,000 |  |
Australia |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents | $ 1,900,000 |  |  | $ 1,900,000 |  |  |
Australia and Germany | Minimum |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Investment interest rate | 2.00% |  |  | 2.00% |  |  |
Australia and Germany | Maximum |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |
Investment interest rate | 3.25% |  |  | 3.25% |  |  |

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