Income Taxes - Significant Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Federal and state operating loss carryforwards	$ 60,966	$ 31,700
Research and development tax credits	6,655	4,444
Lease liabilities	4,221	208
Manufacturing line and production equipment	29,153	12,201
Inventory related costs	11,076	1,890
Compensation related items	2,877
Other accruals	141	1,070
Total gross deferred tax asset	115,089	51,513
Valuation allowance	(111,024)	(51,291)
Net deferred tax asset	4,065	222
Deferred tax liabilities:
Property and equipment	(167)	(53)
Operating lease right-of-use asset	(3,898)	(169)
Total deferred tax liabilities	$ (4,065)	$ (222)