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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Schedule Of Income Tax [Line Items] |  |
Income tax expense | $ 8,000 | $ 14,000
Increase (decrease) in net valuation allowance | $ 3,700,000 | $ 6,300,000
Operating loss carryforwards limitations on use | it has not forfeited the right to carryforward tax losses up to 20 years |
Tax years subject to examination to extent of NOLs being carried forward | 2004 |
Recognized any interest and penalties related to uncertain tax positions | $ 0 |
Maximum [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Right to carryforward tax losses, period | 20 years |
Tax year subject to examination by the tax authorities | 2022 |
Minimum [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Tax year subject to examination by the tax authorities | 2004 |
Federal [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Aggregate amount of net operating loss | $ 94,100,000 |
Operating loss carryforward | 230,500,000 |
Operating loss carryforward expected to be unavailable | 136,400,000 |
State [Member] |  |
Schedule Of Income Tax [Line Items] |  |
Aggregate amount of net operating loss | $ 60,400,000 |

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