Inventories

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Inventories

5. Inventories

Inventories consist of the following (in thousands):

	June 30, 2015		December 31, 2014
Raw materials	$	35,336	$	21,531
Work-in-process		2,468		2,383
Total	$	37,804	$	23,914