Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment	$ 16,043	$ 10,781
Less accumulated depreciation and amortization	(3,187)	(1,431)
Total property and equipment, net	12,856	9,350
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	3,462	1,984
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	544	322
Research Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	9,633	4,892
Computers and Software
Property Plant And Equipment [Line Items]
Total property and equipment	130	124
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 2,274	$ 3,459