Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the three months endedMarch 31, 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
Balance as of March 31, 2014	$	25,100	$	8,024	$	33,124

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 March 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Amortizing intangible assets:
Technology	$	18,533	$	(8,547	)	$	9,986	3.8 years
Customer relationships	5,061		(3,314		)	1,747		3.5 years
Trade names	725		(725		)	—		2.7 years
Non-compete agreements	586		(494		)	92		1.2 years
Patents	475		(200		)	275		11.0 years
Other	285		(255		)	30		3.0 years
Total	$	25,665	$	(13,535	)	$	12,130

	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	$	3,175
2015	3,771
2016	3,326
2017	1,745
2018	43
Thereafter	70
Total	$	12,130