Balance Sheet Components - Summary of Accrued and Other Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Payables And Accruals [Abstract]
Accrued research and development costs	$ 4,864	$ 2,727
Accrued employee related costs	3,383	6,725
Accrued professional fees	2,427	739
Operating lease liabilities	$ 318	$ 368
Operating Lease Liability Current Statement Of Financial Position Extensible List	Accrued and other liabilities	Accrued and other liabilities
Other	$ 290	$ 167
Total accrued and other liabilities	$ 11,282	$ 10,726