Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Goodwill

Goodwill consisted of the following:

Balance at January 1, 2013	$	14,740
Addition resulting from the acquisition of MobileNet		2,900
Addition resulting from the acquisition of GlobalTrak		2,464
Addition resulting from the acquisition of SENS		231
Balance at December 31, 2013	$	20,335

Components of Intangible Assets

The Company’s intangible assets consisted of the following:

	Useful life (years)		December 31, 2013							December 31, 2012
			Cost		Accumulated amortization			Net		Cost		Accumulated amortization			Net
Customer lists		5, 7 and 10	$	7,450	$	(1,183	)	$	6,267	$	3,820	$	(776	)	$	3,044
Patents and technology		5 and 10		5,980		(1,398	)		4,582		4,610		(563	)		4,047
Trade names and trademarks		3, 5 and 10		1,090		(303	)		787		860		(160	)		700
			$	14,520	$	(2,884	)	$	11,636	$	9,290	$	(1,499	)	$	7,791

Estimated Amortization Expense for Intangible Assets

Estimated amortization expense for intangible assets is as follows:

Years ending December 31,
2014	$	1,591
2015		1,591
2016		1,588
2017		1,439
2018		1,401
Thereafter		4,026
	$	11,636