Deferred Revenues (Tables)

3 Months Ended

Mar. 31, 2014

Revenue Recognition [Abstract]

Summary of Deferred Revenues

Deferred revenues consisted of the following:

	March 31,			December 31,
	2014			2013
Service activation fees	$	3,293		$	3,135
Prepaid services		2,264			1,949
Warranty revenues		248			272
Prepaid product revenues		—			104
		5,805			5,460
Less current portion		(3,353	)		(3,087	)
Long-term portion	$	2,452		$	2,373