Intangible Assets

A summary of the activity in goodwill is presented below (in thousands):



Balance at December 31, 2014	$	—
Acquisition of FW	3,754
Acquisition of Ctrack	29,273
Effect of change in foreign currency exchange rates	(3,507		)
Balance at December 31, 2015	$	29,520

The Company’s amortizable purchased intangible assets resulting from its acquisitions of Ctrack, FW and Enfora are comprised of the following (in thousands):



	December 31, 2015
	Weighted-Average Life Remaining (in years)	Gross Carrying Value		Accumulated Amortization			Accumulated Impairment			Net Carrying Value
Definite-lived intangible assets:
Developed technologies	5.6	$	38,612	$	(7,307	)	$	(19,547	)	$	11,758
Trademarks and trade names	9.3	29,849		(4,383		)	(8,582		)	16,884
Customer relationships	7.8	14,182		(1,270		)	(1,620		)	11,292
Other	0.0	1,620		(1,620		)	—			—
Total definite-lived intangible assets		$	84,263	$	(14,580	)	$	(29,749	)	39,934
Indefinite-lived intangible assets:
In-process research and development										2,020
Total purchased intangible assets										$	41,954



	December 31, 2014
	Weighted-Average Life Remaining (in years)	Gross Carrying Value		Accumulated Amortization			Accumulated Impairment			Net Carrying Value
Definite-lived intangible assets:
Developed technologies	0.0	$	26,000	$	(6,453	)	$	(19,547	)	$	—
Trademarks and trade names	2.0	12,800		(3,183		)	(8,582		)	1,035
Other	2.0	3,720		(2,011		)	(1,620		)	89
Total purchased intangible assets		$	42,520	$	(11,647	)	$	(29,749	)	$	1,124

As discussed in Note 2, goodwill and intangible assets related to the Ctrack acquisition are included in the preliminary fair value allocations which are subject to change during the measurement period.

The following table presents details of the amortization of purchased intangible assets included in the cost of net revenues and general and administrative expense categories (in thousands):



	Years ended December 31,
	2015		2014
Cost of net revenues	$	891	$	333
Operating costs and expenses	2,126		562
Total amortization expense	$	3,017	$	895

The following table represents details of the amortization of existing purchased intangible assets that is estimated to be expensed in the future (in thousands):



2016	$	5,935
2017	5,373
2018	5,373
2019	5,373
2020	5,194
Thereafter	12,686
Total	$	39,934

Additionally, at December 31, 2015 and 2014, the Company had net acquired software licenses and other intangibles of $1.1 million and $0.4 million, respectively, net of accumulated amortization of $2.7 million and $2.4 million, respectively. The acquired software licenses represent rights to use certain software necessary for the development and commercial sale of the Company’s products.

Amortization expense relating to acquired software licenses and other intangibles was $0.3 million, $0.2 million and $0.1 million for the years ended December 31, 2015, 2014 and 2013, respectively. Amortization expense related to licenses obtained for research purposes is recorded within research and development expense in the consolidated statements of operations. Amortization expense related to licenses obtained for commercial products is recorded in cost of net revenues in the consolidated statements of operations. At December 31, 2015, the weighted-average remaining useful life of the Company’s acquired software licenses and other intangibles was 4.0 years.