Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Components of Inventory

Inventories consist of the following (in thousands):

	March 31, 2020		December 31, 2019
Raw materials	$	1,643	$	1,751
Work-in-process		495		1,432
Finished goods		1,093		972
Total inventory	$	3,231	$	4,155