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v3.22.1

Prepaid Expenses and Other Current Assets | 3 Months Ended
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Mar. 31, 2022
Prepaid Expense And Other Assets Current [Abstract] |
Prepaid Expenses and Other Current Assets | 5. Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consist of the following:
|  | March 31, 2022 |  |  | December 31, 2021 |
Research and development tax credit receivable |  | $ | 295 |  |  | $ | 840 |
Other prepaid assets |  |  | 262 |  |  |  | 56 |
Prepaid insurance |  |  | 250 |  |  |  | 624 |
Prepaid research and development expenses |  |  | 150 |  |  |  | — |
Interest receivable |  |  | 100 |  |  |  | 290 |
Short-term deposits |  |  | 36 |  |  |  | 37 |
Value added tax receivable |  |  | 18 |  |  |  | 75 |
Total |  | $ | 1,111 |  |  | $ | 1,922 |

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