Inventory (Tables)

12 Months Ended

Dec. 31, 2015

Inventory Disclosure [Abstract]

Inventory

Inventories consisted of the following at December 31 (in thousands):

	2015		2014
Raw materials	$	8,748	$	11,031
Work-in-process	105		111
Finished goods	6,910		7,181
Total inventory	$	15,763	$	18,323