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Accrued Expenses and Other Liabilities | 9 Months Ended
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Sep. 30, 2021
Payables And Accruals [Abstract] |
Accrued Expenses and Other Liabilities | Note 4. Accrued Expenses and Other Liabilities Accrued expenses and other liabilities consisted of the following (in thousands):
|  | September 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Accrued compensation and related expenses |  | $ | 783 |  |  | $ | 31 |
Accrued severance |  |  | 337 |  |  |  | 12 |
Accrued clinical |  |  | 912 |  |  |  | 258 |
Accrued professional services |  |  | 52 |  |  |  | 9 |
Accrued vacation |  |  | 148 |  |  |  | 67 |
Accrued costs associated with PIPE financing |  |  | — |  |  |  | 450 |
Accrued other |  |  | 39 |  |  |  | 146 |
Total accrued expenses and other liabilities |  | $ | 2,271 |  |  | $ | 973 |

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