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Prepaid expenses | 12 Months Ended
--- | ---
Dec. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid expenses | Prepaid expenses Prepaid expenses consisted of the following (in thousands):
|  | December 31,
|  | 2023 |  | 2022
Clinical trial and other development costs |  | $ | 59 |  |  | $ | 38 |
Insurance |  | 3,558 |  |  | 2,027 |
Other |  | — |  |  | 434 |
Total prepaid expenses |  | $ | 3,617 |  |  | $ | 2,499 |

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