Balance Sheet Components - Summary of Accrued Expense and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Accrued Liabilities, Current [Abstract]
Accrued research and development materials and services	$ 6,953	$ 5,947
Accrued personnel expenses	2,631	452
Accrued professional services	839	60
Other	261	203
Total accrued expenses and other current liabilities	$ 10,684	$ 6,662