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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Schedule Of Income Tax [Line Items] |  |
Income tax expense | $ 8,000 | $ 8,000
Increase (decrease) in net valuation allowance | $ 2,100,000 | $ 3,700,000
Operating loss carryforwards limitations on use | it has not forfeited the right to carryforward tax losses |
Tax years subject to examination to extent of NOLs being carried forward | 2005 |
Recognized any interest and penalties related to uncertain tax positions | $ 0 |
Maximum [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Tax year subject to examination by the tax authorities | 2023 |
Minimum [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Tax year subject to examination by the tax authorities | 2005 |
Federal [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Aggregate amount of net operating loss | $ 101,500,000 |
Operating loss carryforward | 235,600,000 |
Operating loss carryforward expected to be unavailable | 134,100,000 |
State [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Aggregate amount of net operating loss | $ 69,100,000 |

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