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Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Tax Credit Carryforward [Line Items] |  |
Effective tax rate | 0.00% | 0.00%
Taxes at U.S. statutory rate | 21.00% | 21.00%
Increase in valuation allowance | $ 39,300,000 | $ 30,400,000
Accrued interest or penalties | $ 0 | $ 0
Description of income tax examinations | the Company is subject to examination by these taxing authorities for all years since inception. |
Massachusetts |  |
Tax Credit Carryforward [Line Items] |  |
Net operating loss carryforwards | $ 118,300,000 |
Net operating loss carryforwards, expiration year | 2043 |
U.S. Federal |  |
Tax Credit Carryforward [Line Items] |  |
Net operating loss carryforwards | $ 113,600,000 |
U.S. Federal | R&D |  |
Tax Credit Carryforward [Line Items] |  |
Tax credit carryforwards | $ 17,900,000 |
Tax credit carryforwards, expiration year | 2043 |
State | R&D |  |
Tax Credit Carryforward [Line Items] |  |
Tax credit carryforwards | $ 9,500,000 |
Tax credit carryforwards, expiration year | 2038 |

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