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Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2023
Accrued Expenses [Abstract] |
Accrued Expenses | Accrued expenses consisted of the following (in thousands):
|  | As of December 31, |
|  | 2023 |  |  | 2022 |
Legal fees and related |  | $ | 643 |  |  | $ | 1,139 |
Professional fees |  |  | 239 |  |  |  | 124 |
Somerville facility |  |  | 218 |  |  |  | 138 |
Convertible Notes interest |  |  | 176 |  |  |  | - |
Accrued compensation |  |  | 109 |  |  |  | 1,065 |
Clinical |  |  | 18 |  |  |  | 570 |
Other |  |  | 490 |  |  |  | 590 |
Total accrued expenses |  | $ | 1,893 |  |  | $ | 3,626 |

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