Intangible Assets

6 Months Ended

Jun. 30, 2014

5.Intangible Assets

Intangible assets consisted of the following at June 30, 2014 and December 31, 2013 (in thousands):


	At June 30, 2014
	Gross Carrying		Accumulated		Net Carrying
	Value		amortization		Value
Acquired technology and domain name	$	31,075	$	(9,260)	$	21,815
Customer relationships		6,300		(2,112)		4,188
Tradenames		4,900		(898)		4,002
Total	$	42,275	$	(12,270)	$	30,005


	At December 31, 2013
	Gross Carrying		Accumulated		Net Carrying
	Value		amortization		Value
Acquired technology and domain name	$	30,725	$	(7,624)	$	23,101
Customer relationships		6,300		(1,732)		4,568
Trade names		4,970		(805)		4,165
Total	$	41,995	$	(10,161)	$	31,834

For the six months ended June 30, 2014, the increase in the gross intangible assets balance was due to the purchase of the True.com domain name of $0.4 million.

Amortization expense for the three months ended June 30, 2014 and 2013 was $1.1 million and $1.1 million, respectively. For the six months ended June 30, 2014 and 2013, amortization expense was $2.2 million and $2.2 million, respectively.

Amortization expense with respect to intangible assets at June 30, 2014 for each of the five years through December 31, 2018 and thereafter is as follows (in thousands):


Six months ending December 31, 2014	$	2,072
2015		4,129
2016		4,038
2017		3,859
2018		3,858
Thereafter		12,049
Total amortization expense	$	30,005