Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories consist of the following (in thousands):

	March 31,		December 31,
	2016		2015
Raw materials	$	1,068	$	1,410
Work in process		1,719		1,840
Finished goods		422		373
Total	$	3,209	$	3,623