Balance Sheet Components - Summary of Accrued Expense and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
Accrued research and development expenses	$ 3,620	$ 1,674
Accrued professional services	157	170
Accrued personnel expenses	2,135	419
Other	449	480
Total accrued expenses and other current liabilities	$ 6,361	$ 2,743