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Balance Sheet Components - Schedule of Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]    
Accrued compensation $ 5,453 $ 3,534
Accrued research and development costs 2,280 1,675
Accrued property and equipment 96 117
Other accrued and current liabilities 1,518 927
Total accrued and other liabilities $ 9,347 $ 6,253