Inventory

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventory

4. Inventory

Inventory consisted of the following (in thousands):

	March 31, 2021		December 31, 2020
Raw materials	$	2,773	$	2,664
Work in process		512		747
Finished goods		2,301		1,926
Total inventory	$	5,586	$	5,337