Net loss per share and unaudited pro forma net loss per share attributable to common stockholders (Tables)

12 Months Ended

Jan. 31, 2020

Schedule of earnings per share, basic and diluted

Basic and diluted net loss per share attributable to common stockholders was calculated as follows:


	Year ended January 31,
	2020		2019		2018
Numerator:
Net loss	$	(20,293)	$	(15,062)	(18,192)
Preferred stock dividends paid	(14,955)		—		—
Accretion of Convertible Preferred to redemption value	(56,175)		(30,199)		(19,981)
Net loss attributable to common stockholders	$	(91,423)	$	(45,261)	(38,173)
Denominator:
Weighted-average shares of common stock outstanding, basic and diluted	20,301,189		1,844,929		1,538,600
Net loss attributable to common stockholders, basic and diluted	$	(4.50)	$	(24.53)	$	(24.81)

Schedule of shares excluded from computation of diluted net loss per share

The following potential common shares, presented based on amounts outstanding at each period end, were excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:


	Year ended January 31,
	2020	2019
Convertible Preferred (as-converted to common stock)	—	25,311,535
Stock options to purchase common stock and restricted stock units	6,963,870	5,055,505
Warrants to purchase Convertible Preferred	—	581,798
Warrants to purchase common stock	75,137	256,411
Total	7,039,007	31,205,249