Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consist of the following (in thousands):

	June 30, 2015		December 31, 2014
Finished goods	$	34,298	$	32,249
Parts and materials	10,817		9,147
Work in progress	2,470		1,975
Total inventories	$	47,585	$	43,371