Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the six months endedJune 30, 2014 are as follows (amounts in thousands):

	Business		Consumer		Total
Balance as of December 31, 2013	$	24,700	$	8,024	$	32,724
Adjustments to goodwill:
NexGraph acquisition	400		—		400
Synchronite acquisition	2,659		—		2,659
Balance as of June 30, 2014	$	27,759	$	8,024	$	35,783

The changes in the carrying amount of goodwill for the year ended December 31, 2013 are as follows (amounts in thousands):

	Business		Consumer		Total
Balance as of December 31, 2012	$	24,621	$	8,024	$	32,645
Adjustments to goodwill:
Adjustments to Engage acquisition	79		—		79
Balance as of December 31, 2013	$	24,700	$	8,024	$	32,724

Summary of Intangible Assets

Intangible assets are summarized as follows (see Note 8) (amounts in thousands):

	As of June 30, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	19,615	$	(9,416	)	$	10,199	4.1 years
Customer relationships	5,308		(3,480		)	1,828		3.7 years
Trade names	787		(725		)	62		2.8 years
Non-compete agreements	646		(519		)	127		1.3 years
Patents	475		(210		)	265		11.0 years
Other	312		(260		)	52		3.0 years
Total	$	27,143	$	(14,610	)	$	12,533

	As of December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	18,533	$	(7,678	)	$	10,855	3.8 years
Customer relationships	5,061		(3,148		)	1,913		3.5 years
Trade names	725		(725		)	—		2.7 years
Non-compete agreements	486		(486		)	—		1.2 years
Patents	475		(189		)	286		11.0 years
Other	285		(251		)	34		3.0 years
Total	$	25,565	$	(12,477	)	$	13,088

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated amortization expense for the next five years are as follows (amounts in thousands):  

	Estimated Amortization Expense
2014	$	2,182
2015	3,976
2016	3,514
2017	1,915
2018	194
Thereafter	752
Total	$	12,533