Inventory (Tables)

3 Months Ended

Mar. 31, 2015

Inventory Disclosure [Abstract]

Components of Inventory

Inventory consisted of the following:

	March 31,		December 31,
	2015		2014
Component parts	$	7,052	$	4,848
Finished goods		1,722		1,405
Total inventory	$	8,774	$	6,253