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Prepaid Expenses and Other Current Assets | 9 Months Ended
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Sep. 30, 2021
Prepaid Expense And Other Assets Current [Abstract] |
Prepaid Expenses and Other Current Assets | Note 3. Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consisted of the following (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Prepaid insurance |  | $ | 359 |  |  | $ | 1,157 |
Prepaid clinical |  |  | 1,097 |  |  |  | 89 |
Prepaid other |  |  | 50 |  |  |  | 41 |
Insurance receivable |  |  | — |  |  |  | 110 |
Other current assets |  |  | 11 |  |  |  | 38 |
Total prepaid expenses and other current assets |  | $ | 1,517 |  |  | $ | 1,435 |

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