Net Loss per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Oct. 31, 2017

Schedule of basic and diluted earnings (loss) per share

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except share and per share data):



	Three Months Ended October 31,						Nine Months Ended October 31,
	2017			2016			2017			2016
Net loss attributable to common stockholders	$	(24,216	)	$	(19,535	)	$	(69,985	)	$	(64,861	)
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted	17,421,642			12,418,879			14,749,500			11,983,324
Net loss per share attributable to common stockholders, basic and diluted	$	(1.39	)	$	(1.57	)	$	(4.74	)	$	(5.41	)

Schedule of antidilutive securities excluded from computation of earnings per share

The following weighted-average outstanding potentially dilutive common shares were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because the impact of including them would have been antidilutive:



	Three Months Ended October 31,		Nine Months Ended October 31,
	2017	2016	2017	2016
Redeemable convertible preferred stock (as converted)	24,316,192	25,853,450	26,045,352	25,853,450
Redeemable convertible preferred stock warrants (as converted)	1,339	54,604	30,122	54,604
Common stock warrants	116,485	122,043	120,190	122,043
Stock options to purchase Class B common stock	9,321,627	11,220,176	9,783,945	10,736,027
Stock options to purchase Class A common stock	3,258,405	—	2,207,524	—
Early exercised stock options	318,240	117,487	236,231	67,528