Condensed Consolidated Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 46,432	$ 41,484
Less: accumulated depreciation	(6,958)	(5,833)
Total property and equipment, net	39,474	35,651
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	29,532	29,064
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	11,077	10,467
Production masks
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,504	0
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,947	1,159
Servers and workstations
Property, Plant and Equipment [Line Items]
Property and equipment, gross	965	441
Office furniture
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 407	$ 353