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Accrued and Other Liabilities, Current and Noncurrent | 12 Months Ended
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Dec. 31, 2021
Payables and Accruals [Abstract] |
Accrued and Other Liabilities, Current and Noncurrent | 6. Accrued and Other Liabilities, Current and Noncurrent Accrued liabilities consisted of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Payroll and related expenses |  | $ | 3,994 |  |  | $ | 3,437 |
Accrued clinical and preclinical study costs |  |  | 407 |  |  |  | 869 |
Consulting and professional |  |  | 1,573 |  |  |  | 3,574 |
Other accrued expenses |  |  | 1,770 |  |  |  | 491 |
Total accrued and other current liabilities |  | $ | 7,744 |  |  | $ | 8,371 |
Other liabilities, noncurrent consisted of the following (in thousands):
|  | December 31, |
|  | 2021 |  |  | 2020 |
Deferred rent |  | $ | — |  |  | $ | 1,237 |
Other payable |  |  | 120 |  |  |  | 615 |
Total other liabilities, noncurrent |  | $ | 120 |  |  | $ | 1,852 |

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