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Accrued Expenses | 12 Months Ended
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Dec. 31, 2024
Accounts Payable and Accrued Liabilities, Current [Abstract] |
Accrued Expenses | 6. Accrued Expenses Accrued expenses consisted of the following (in thousands):
|  | December 31, 2024 |  |  | December 31, 2023 |
Accrued payroll and other employee benefits |  | $ | 531 |  |  | $ | 935 |
Accrued severance |  |  | — |  |  |  | 89 |
Accrued professional fees |  |  | 286 |  |  |  | 345 |
Accrued other |  |  | 49 |  |  |  | 99 |
Total accrued expenses |  | $ | 866 |  |  | $ | 1,468 |

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