Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property and Equipment

Property and equipment consisted of the following at December 31, 2013 and 2012:

	Year Ended December 31,
	2013			2012
In-vehicle devices—installed	$	96,431		$	71,110
In-vehicle devices—uninstalled		4,550			2,843
Computer equipment		6,645			3,984
Internal-use software		4,806			2,393
Furniture and fixtures		1,873			999
Leasehold improvements		1,813			687
Total property and equipment		116,118			82,016
Less: Accumulated depreciation and amortization		(54,386	)		(40,884	)
Property and equipment, net	$	61,732		$	41,132