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Other Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2020
Payables And Accruals [Abstract] |
Schedule of Other Accrued Liabilities | Other accrued liabilities consisted of the following (in thousands):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Professional and consulting services |  | $ | 3,979 |  |  | $ | 2,026 |
Manufacturing |  |  | 2,238 |  |  |  | 4,320 |
Clinical |  |  | 291 |  |  |  | 435 |
Other |  |  | 235 |  |  |  | 250 |
Total other accrued liabilities |  | $ | 6,743 |  |  | $ | 7,031 |

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