Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets, Net

Schedule of goodwill and intangible assets

	December 31, 2015			Weighted Average Remaining Useful Life		December 31, 2014			Weighted Average Remaining Useful Life
	(in thousands)			(in years)		(in thousands)			(in years)
Developed technology	$	6,050			1.9	$	6,050			2.9
Domain names		950			2.8		950			3.6
Customer relationships		1,600			0.8		1,600			1.6
Non-compete agreements		580			2.0		580			3.0
Capitalized software development costs		3,980			1.2		2,042			1.2
		13,160					11,222
Less accumulated amortization		(7,705	)				(4,146	)
Intangible assets, net		5,455					7,076
Goodwill		29,201					29,201
Goodwill and intangible assets, net	$	34,656				$	36,277

Schedule of amortization expense

	Year Ended December 31,
	2015		2014		2013
	(in thousands)
Amortization expense	$	3,559	$	2,256	$	717

Schedule of estimated future amortization based on the carrying amount of intangible assets

        Based on the carrying amount of intangible assets as of December 31, 2015, the estimated future amortization is as follows (in thousands):

	Year Ended December 31,
	2016		2017		2018		2019		Total
Developed Technology	$	1,508	$	1,407	$	—	$	—	$	2,915
Domain Names		180		100		100		29		409
Customer Relationships		315		—		—		—		315
Non-compete Agreements		150		144		—		—		294
Capitalized Software Development Costs		1,230		292		—		—		1,522
Total	$	3,383	$	1,943	$	100	$	29	$	5,455