Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories are comprised of the following:

	March 31,		December 31,
	2015		2014
Raw materials	$	35,897	$	35,191
Work in process		20,471		21,883
Finished goods		29,261		34,395
	$	85,629	$	91,469