Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following (in thousands):

	March 31, 2015		December 31, 2014
Finished goods	$	35,743	$	32,249
Parts and materials	10,888		9,147
Work in progress	2,538		1,975
Total inventories	$	49,169	$	43,371