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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Operating Loss Carryforwards [Line Items] |  |  |
Income tax expenses | $ 0 | $ 0 |
Operating loss carryforwards | 292,300,000 |  |
Valuation allowance increase | $ 10,200,000 |  |
Effective tax rate | 0.00% | 0.00% |
Uncertain tax positions | $ 4,141,000 | $ 4,141,000 | $ 4,141,000
Unrecognized tax benefits, income tax penalties and interest accrued | 0 | $ 0 |
AUSTRALIA |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 1,400,000 |  |
Research Tax Credit Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 200,000 |  |
Domestic Tax Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 311,400,000 |  |
Domestic Tax Jurisdiction | Research Tax Credit Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 14,100,000 |  |
Domestic Tax Jurisdiction | Tax Year 2017 |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 19,100,000 |  |
State and Local Jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 179,500,000 |  |
State and Local Jurisdiction | Research Tax Credit Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 2,900,000 |  |

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