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Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Balance Sheet Related Disclosures [Abstract] |  |
Employee compensation | $ 7,172 | $ 9,209
Accrued nonclinical, clinical and process development costs | 5,246 | 4,953
State income tax payable | 1,432 | 1,318
Accrued professional services | 1,067 | 550
Other | 2,716 | 2,017
Total accrued expenses and other current liabilities | $ 17,633 | $ 18,047

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