Stock-based Awards (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

A summary of the Company’s stock option activity for the nine months ended September 30, 2015 is as follows:



	Number of Options		Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life
					(in years)
Outstanding at December 31, 2014	25,589,876		$	9.79	7.55
Granted	2,403,722		12.46
Exercised	(1,492,738	)	3.73
Canceled/forfeited	(974,257	)	11.19
Outstanding at September 30, 2015	25,526,603		$	10.34	7.00

Schedule of activity in connection with restricted stock

Activity in connection with restricted stock units is as follows for the nine months ended September 30, 2015:



	Number of Shares		Weighted- Average Grant Date Fair Value
Non-vested — December 31, 2014	827,997		$	12.36
Granted	1,333,168		12.06
Vested	(364,801	)	14.58
Canceled/forfeited	(184,372	)	11.38
Non-vested — September 30, 2015	1,611,992		$	11.72

Schedule of stock-based compensation cost relating to stock options and restricted stock awards

The Company recorded stock-based compensation cost relating to stock options and restricted stock awards in the following categories on the accompanying consolidated statements of comprehensive loss (in thousands):



	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014

Cost of revenue	$	217	$	134	$	581	$	297
Sales and marketing	1,131		1,413		3,739		3,757
Technology and development	889		2,069		3,042		3,933
General and administrative	5,294		5,824		18,789		12,991
Total stock-based compensation expense	7,531		9,440		26,151		20,978
Amount capitalized to internal software use	389		331		1,064		947
Total stock-based compensation cost	$	7,920	$	9,771	$	27,215	$	21,925