Inventory (Tables)

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Summary of Inventory

Our inventory consisted of the following (in thousands):

	As of December 31,
	2021		2020
Raw materials	$	3,042	$	3,748
Work in process		1,642		895
Finished products		2,938		3,350
Inventory	$	7,622	$	7,993