Share-Based Awards (Tables)

12 Months Ended

Dec. 31, 2013

Assumptions Used to Determine Fair Value of Stock Options Granted

The assumptions used to determine the fair value of stock options granted in the year ended December 31, 2012 are as follows, presented on a weighted average basis:

	Year Ended December 31, 2012
Risk-free interest rate		0.63	%
Expected term (in years)		4.1
Expected volatility		56	%
Expected dividend yield		0	%

Stock Option Activity

Stock option activity during the years ended December 31, 2012 and 2013:

	Number of Shares Under Option			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
	(In Years)
Outstanding at December 31, 2011		2,553,611		$	3.11		5.3	$	15,951
Granted(1)		902,977		$	9.76
Exercised		(184,335	)	$	1.70
Forfeited and canceled		(314,738	)	$	8.35
Outstanding at December 31, 2012		2,957,515		$	4.66		4.2	$	60,383
Granted		—		$	—
Exercised		(1,424,273	)	$	3.87
Forfeited and canceled		(55,419	)	$	7.45
Outstanding at December 31, 2013		1,477,823		$	5.36		4.3	$	55,989
Vested and expected to vest at December 31, 2013		1,439,712		$	5.31		4.3	$	54,630
Exercisable at December 31, 2013		798,141		$	4.35		4.1	$	31,052

(1) On May 9, 2012, the Company’s Board of Directors specified the performance criteria for the stock options granted during the year ended December 31, 2011 for the purchase of 54,000 ordinary shares at an exercise price of $7.97. The performance criteria are based on Company operating metrics for 2012. As a result, as of May 9, 2012, these stock options were deemed granted for accounting purposes.

Recognized Share-Based Compensation Expense from All Awards

The Company recognized share-based compensation expense from all awards in the following expense categories:

	Year Ended December 31,
	2013		2012		2011
Cost of subscription revenue	$	395	$	136	$	24
Sales and marketing		2,586		921		734
Research and development		1,069		187		155
General and administrative		3,420		1,178		1,379
Total	$	7,470	$	2,422	$	2,292