Inventory

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventory

8. Inventory

Inventories are stated at the lower of cost or market on a first-in, first-out basis and are comprised of the following (in thousands):

	September 30, 2017		December 31, 2016
Raw materials	$	6,709	$	8,293
Work-in-process		3,691		2,145
	$	10,400	$	10,438