Inventory (Tables)

3 Months Ended

Mar. 31, 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):

	March 31,		December 31,
	2019		2018
Raw materials	$	4,007	$	3,590
Work-in-process		1,306		1,435
Finished goods		6,710		7,223
Inventory, net	$	12,023	$	12,248