Equity Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

Stock option activity during the six months ended June 30, 2017 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, 2016		11,203		$	9.49
Options granted		291			14.08
Options exercised		(1,402	)		3.95
Options forfeited or canceled		(616	)		13.86
Outstanding at June 30, 2017		9,476		$	10.16		6.72	$	68,169
Vested and expected to vest at June 30, 2017		9,393		$	10.12		6.66	$	67,963
Exercisable at June 30, 2017		6,061		$	8.01		5.64	$	56,624

Summary of RSU Activity Under 2016 Plan

RSU activity under the 2016 Plan during the six months ended June 30, 2017 was as follows (in thousands, except per share data):

				Weighted-Average
	RSUs			Grant Date Fair Value
	Outstanding			per Share
Non-Vested outstanding at December 31, 2016		628		$	16.43
Granted		1,237			14.04
Vested		—			—
Forfeited or canceled		(95	)		15.61
Non-Vested outstanding at June 30, 2017		1,770		$	14.80

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 June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Cost of revenue
Subscription	$	240	$	191		597	$	332
Professional services		230		213		548		367
Operating expenses
Research and development		1,112		714		2,153		1,267
Sales and marketing		1,077		806		2,077		1,441
General and administrative		1,026		586		1,935		1,008
Total stock-based compensation	$	3,685	$	2,510	$	7,310	$	4,415