Balance Sheet Components - Summary of Accrued Expense and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
Accrued research and development expenses	$ 6,303	$ 1,674
Accrued personnel expenses	3,312	419
Accrued professional services	349	170
Other	428	480
Total accrued expenses and other current liabilities	$ 10,392	$ 2,743