Inventory (Tables)

6 Months Ended

Jun. 30, 2019

Inventory Disclosure [Abstract]

Components of Inventory

Inventory is valued at the lower of cost or net realizable value and is comprised of the following (in thousands):

	June 30,		December 31,
	2019		2018
Raw materials	$	3,909	$	3,590
Work-in-process		1,342		1,435
Finished goods		7,083		7,223
Inventory	$	12,334	$	12,248