Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill And Intangible Assets Disclosure [Abstract]

Components of Goodwill

Goodwill consisted of the following:

Balance at January 1, 2014	$	20,335
Addition resulting from the acquisition of Euroscan		20,626
Reduction of warranty liabilities within the one-year measurement period assumed in connection with the acquisition of GlobalTrak		(250	)
Balance at March 31, 2014	$	40,711

Components of Intangible Assets

The Company’s intangible assets consisted of the following:

		March 31, 2014							December 31, 2013
	Useful life			Accumulated							Accumulated
	(years)	Cost		amortization			Net		Cost		amortization			Net
Customer lists	5, 7, 10 and 12	$	21,850		(1,434	)	$	20,416	$	7,450	$	(1,183	)	$	6,267
Patents and technology	5 and 10		8,380		(1,575	)		6,805		5,980		(1,398	)		4,582
Trade names and trademarks	3, 5 and 10		1,690		(337	)		1,353		1,090		(303	)		787
		$	31,920	$	(3,346	)	$	28,574	$	14,520	$	(2,884	)	$	11,636

Estimated Amortization Expense for Intangible Assets

Estimated amortization expense for intangible assets subsequent to March 31, 2014 is as follows:

Years ending December 31,
Remainder of 2014	$	2,318
2015		3,091
2016		3,089
2017		2,939
2018		2,901
Thereafter		14,236
	$	28,574