Inventory - Schedule of Major Classes of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 2,853		$ 2,359
Work in progress	8,117		5,902
Finished goods	7,100		4,057
Inventory, gross	18,070		12,318
Less: inventory reserves	(130)		(48)
Inventory, net	17,940		12,270
Inventory	14,715	$ 9,549	9,549
Inventory, net of current portion	$ 3,225	$ 2,721	$ 2,721