Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating losses	$ 65,197	$ 52,832
Property and equipment	847	555
R&D tax credit	7,346	5,209
Stock-based compensation	2,082	717
Capitalized R&D expenses	12,971	6,268
Inventory	2,279	909
Lease liability	6,404	1,003
Accruals and reserves	2,758	1,418
Total deferred tax assets	99,884	68,911
Valuation allowance	(94,056)	(68,046)
Net deferred tax assets	5,828	865
Deferred tax liabilities:
Right-of-use assets	(5,828)	(865)
Total deferred tax liabilities	$ (5,828)	$ (865)