Stockholders' Equity (Tables)

9 Months Ended

Oct. 31, 2015

Equity [Abstract]

Summary of Stock Option Activity Plans

Summary of option activity under the Company’s 2005 Plan and 2015 Plan for the nine months ended October 31, 2015 is set forth below:

	Options Outstanding
	Number of					Weighted
	Shares			Weighted		Average		Aggregate
	Underlying			Average		Remaining		Intrinsic
	Outstanding			Exercise		Contractual Term		Value
	Options			Price		(Years)		(in thousands)
Balance, January 31, 2015		1,893,239		$	3.85		8.40	$	10,109
Options granted		443,517			12.36
Options exercised		(60,127	)		0.43
Options canceled		(87,328	)		5.61
Balance, October 31, 2015		2,189,301			5.60		8.05	$	7,240
Vested and exercisable, October 31, 2015		636,197		$	1.31		5.25	$	4,419
Vested and expected to vest, October 31, 2015		1,990,744		$	5.52		7.96	$	6,743

Summary of Restricted Stock Units Activity

A summary of the Company’s RSU activity and related information for the nine months ended October 31, 2015 is as follows:

	Number of Shares			Weighted­Average Grant-Date Fair Value Per Share		Weighted­Average Remaining Contractual Life (Years)		Aggregate Intrinsic Value (in thousands)
Balance as of January 31, 2015		—		$	—		—	$	—
RSUs granted		987,355			10.04
RSUs vested		—			—
RSUs canceled		(38,700	)		10.91
Balance as of October 31, 2015		948,655		$	10.00		2.32	$	7,646
Vested and expected to vest - October 31, 2015		901,222		$	9.04		2.17	$	7,396

Summary of Warrants to Purchase Convertible Preferred Stock Outstanding

A summary of the Company’s warrants to purchase common stock activity and related information for the nine months ended October 31, 2015 is as follows:

	Common Warrants Outstanding
Balance, January 31, 2015		87,828
Add: Conversion of Preferred Series Alpha warrants to common warrants on IPO		87,325
Less: Common warrants exercised to common stock		(9,152	)
Less: Common warrants terminated		(2,046	)
Balance, October 31, 2015		163,955