Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories are comprised of the following:

	September 30,		December 31,
	2013		2012
Raw materials	$	14,327	$	13,013
Work in process		9,408		8,561
Finished goods		24,374		24,576
	$	48,109	$	46,150