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Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Operating Loss Carryforwards [Line Items] |  |  |
Net operating losses | $ (93,435,000) | $ (62,680,000) |
Deferred tax assets, valuation allowance income tax expense (benefit) | 39,000 | 59,000 |
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit | 0 |  |
Valuation allowance | 84,810,000 | 59,956,000 |
Increase in valuation allowance | 24,800,000 | (19,500,000) |
Valuation Allowance of Deferred Tax Assets [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, valuation allowance income tax expense (benefit) | 0 | 0 |
U.S. federal jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 23,700,000 |  |
Operating loss carryforwards limitations on use | offset future income tax liabilities and expire at various dates through 2037 |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 6,400,000 | 4,200,000 |
U.S. federal jurisdiction | Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 147,800,000 |  |
State jurisdiction |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 84,200,000 |  |
Operating loss carryforwards limitations on use | offset future income tax liabilities and expire at various dates through 2044 |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 2,000,000.0 | 1,100,000 |
State jurisdiction | IRC 382 |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards |  |  | $ 125,800,000
Deferred Tax Assets, Tax Credit Carryforwards, Research |  |  | $ 2,800,000
Massachusetts | IRC 382 |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards |  | $ 121,200,000 |

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