5.	Intangible Assets

The Company’s amortizable purchased intangible assets resulting from its acquisition of Enfora are composed of (in thousands):


	Years ended December 31,
	2013										2012
	Gross		Accumulated Amortization			Accumulated Impairment			Net		Gross		Accumulated Amortization			Impairment			Net
Developed technologies	$	26,000	$	(6,120	)	$	(19,547	)	$	333	$	26,000	$	(5,786	)	$	(19,547	)	$	667
Trade name		12,800		(2,665	)		(8,582	)		1,553		12,800		(2,147	)		(8,582	)		2,071
Other		3,720		(1,967	)		(1,620	)		133		3,720		(1,923	)		(1,620	)		177

Total amortizable purchased intangible assets	$	42,520	$	(10,752	)	$	(29,749	)	$	2,019	$	42,520	$	(9,856	)	$	(29,749	)	$	2,915

The following table presents details of the amortization of purchased intangible assets of Enfora included in the cost of net revenues and operating costs and expenses categories (in thousands):


	Years ended December 31,
	2013		2012
Cost of net revenues	$	334	$	1,623
General and administrative expenses		562		1,074

Total amortization expense	$	896	$	2,697

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


Fiscal year:	Amount
2014	$	895
2015		562
2016		562

Total	$	2,019

Additionally, at December 31, 2013 and 2012, the Company had net acquired software licenses of $112,000 and $248,000, respectively, net of accumulated amortization of $2.2 million and $2.1 million, respectively. The acquired software licenses represent rights to use certain software necessary for the development and commercial sale of the Company’s products.

The Company monitors its intangible and long-lived asset balances and conducts formal tests when impairment indicators are present (see Note 6 for a discussion of the impairment indicators). There was no impairment loss recorded for the year ended December 31, 2013. During the quarter ended March 31, 2012, the Company recorded an impairment loss of $22.8 million related to a decrease in the estimated fair values of the purchased intangible assets fair values. At September 30, 2012, the Company recorded a further preliminary impairment loss of $7.3 million related to the continued decrease in the estimated fair values of the purchased intangible assets. During the fourth quarter of 2012, the Company completed the impairment analysis and reduced the third quarter impairment by $300,000. The Company recorded $133,000 of impairment loss related to acquired software licenses during the year ended December 31, 2011.

Amortization expense relating to acquired software licenses was $113,000, $196,000 and $422,000 for the years ended December 31, 2013, 2012 and 2011, 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, 2013, the weighted average remaining useful life of the Company’s long-lived intangible assets including acquired software licenses is 2.1 years.