Stockholders' Equity and Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-Based Compensation Expense by Award Type

stock-based compensation expense by award type

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Options	$	994	$	1,012	$	3,130	$	2,285
Vesting of restricted stock awards		—		—		—		61
Restricted stock units		1,273		—		2,948		—
Employee stock purchase plan		537		—		1,623		—
Employee sale of securities to investors		—		—		—		5,353
Total stock-based compensation	$	2,804	$	1,012	$	7,701	$	7,699

Summary of Stock-Based Compensation Expense Recorded in Consolidated Statement of Operations

the stock-based compensation expense was recorded in our consolidated statements of operations (in thousands)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Subscription and support cost of revenue	$	129	$	49	$	360	$	106
Professional services and other cost of revenue		127		45		362		103
Sales and marketing		775		346		2,219		768
Research and development		1,022		344		2,742		871
General and administrative		751		228		2,018		5,851
Total stock-based compensation	$	2,804	$	1,012	$	7,701	$	7,699

Summary of Stock Option Activity

A summary of information related to stock option activity during the nine months ended September 30, 2016 is as follows (in thousands, except per share data):

						Weighted-
				Weighted-		Average
	Shares			Average		Remaining		Aggregate
	Underlying			Exercise		Life		Intrinsic
	Options			Price		(in years)		Value
Outstanding at December 31, 2015		4,101		$	6.58		8.3	$	58,417
Granted		232			13.79
Exercised		(632	)		3.73
Forfeited or cancelled		(440	)		11.24
Outstanding at September 30, 2016		3,261			7.02		7.7		59,868
Vested and expected to vest—September 30, 2016		3,147			6.85		7.6		58,291
Exercisable at September 30, 2016		1,747			4.51		7.0		36,451

Summary of Restricted Stock Units Activity

A summary of information related to RSU activity during the nine months ended September 30, 2016 is as follows (in thousands, except per share amounts):

	RSUs Outstanding
				Weighted-
				Average
				Grant Date Fair
	Shares			ValuePer Share
Unvested and outstanding at December 31, 2015		196		$	18.42
Granted		1,024			17.14
Vested		(118	)		16.27
Cancelled		(102	)		17.46
Unvested and outstanding at September 30, 2016		1,000			17.46