Equity Incentive Plans (Tables)

9 Months Ended

Sep. 30, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity Under 2007 Plan, 2011 Plan and 2016 Plan

Stock option activity under the 2007 Plan, 2011 Plan and the 2016 Plan during the nine months ended September 30, 2016 was as follows (in thousands, except per share and contractual life data):

						Weighted-
				Weighted-		Average
				Average		Remaining		Total
	Options			Exercise Price		Contractual		Intrinsic
	Outstanding			per Share		Life (years)		Value
Outstanding at December 31, 2015		10,506		$	8.51		7.49	$	60,911
Options granted		2,063			14.31
Options exercised		(222	)		4.50
Options forfeited or canceled		(815	)		11.46
Outstanding at September 30, 2016		11,532		$	9.42		7.22	$	141,628
Vested and expected to vest - September 30, 2016		10,612		$	9.09		7.08	$	133,851
Exercisable - September 30, 2016		6,496		$	6.23		5.87	$	100,492

Summary of Stock Based Compensation Expenses

Stock-based compensation expense recognized in the Company’s statement of comprehensive loss was as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2016		2015		2016		2015
Cost of revenue
Subscription	$	232	$	145	$	564	$	341
Professional services		190		179		557		574
Research and development		698		577		1,965		1,737
Sales and marketing		735		623		2,176		1,833
General and administrative		632		498		1,640		1,392
Total stock-based compensation	$	2,487	$	2,022	$	6,902	$	5,877