Net Loss per Share (Tables)

12 Months Ended

Jan. 31, 2020

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings (loss) per share

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

	Years Ended January 31,
	2020			2019			2018
Numerator:
Net loss	$	(175,522	)	$	(99,011	)	$	(83,973	)
Denominator:
Weighted-average shares used to compute net loss per share, basic and diluted	55,939,032			52,034,596			23,718,391
Net loss per share, basic and diluted	$	(3.14	)	$	(1.90	)	$	(3.54	)

Schedule of antidilutive securities excluded from computation of earnings per share

The following weighted-average outstanding potentially dilutive shares of common stock were excluded from the computation of diluted net loss per share for the periods presented because the impact of including them would have been anti-dilutive.

	Years Ended January 31,
	2020	2019	2018
Redeemable convertible preferred stock (as converted)	—	—	19,534,014
Redeemable convertible preferred stock warrants (as converted)	—	—	22,592
Common stock warrants	—	—	90,143
Stock options to purchase Class A common stock	2,145,462	3,174,009	2,552,397
Stock options to purchase Class B common stock	5,076,831	7,691,386	9,612,572
Unvested restricted stock units	2,914,575	1,447,642	—
Early exercised stock options	29,532	126,447	236,675
Shares underlying the conversion spread in the 2024 Notes	2,112,279	227,982	—