Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2013

Revenue Recognition [Abstract]

Summary of Deferred Revenues

Deferred revenues consisted of the following:

	December 31,
	2013			2012
Service activation fees	$	3,135		$	2,690
Prepaid services		1,949			1,331
Prepaid product revenues		104			—
Warranty revenues		272			332
		5,460			4,353
Less current portion		(3,087	)		(2,394	)
Long-term portion	$	2,373		$	1,959