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Prepaid Expenses and Other Current Assets | 3 Months Ended
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Mar. 31, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid Expenses and Other Current Assets | 8. Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consist of the following:
|  | March 31, 2023 |  |  | December 31, 2022 |
Prepaid research and development expenses |  | $ | 2,245 |  |  | $ | 2,913 |
Prepaid expenses and other assets |  |  | 2,850 |  |  |  | 3,003 |
|  | $ | 5,095 |  |  | $ | 5,916 |

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