Balance Sheet Components - Summary of Accrued Expense and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Accrued research and development materials and services	$ 5,947	$ 6,952
Accrued personnel expenses	452	5,956
Accrued professional services	60	443
Other	203	192
Total accrued expenses and other current liabilities	$ 6,662	$ 13,543