Inventory (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Components of Inventories

Inventories consisted of the following at March 31, 2018 and December 31, 2017 (in thousands):

	March 31,		December 31,
	2018		2017
Raw materials	$	4,854	$	4,220
Work in process	808		377
Finished goods	4,465		3,466
Inventory, net	$	10,127	$	8,063