Net loss per share attributable to common stockholders (Tables)

3 Months Ended

Apr. 30, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

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

	Three months ended April 30,
	2021		2020
Numerator:
Net loss	$	(10,974)	$	(6,112)
Denominator:
Weighted-average shares of common stock outstanding, basic and diluted	45,416,431		37,308,084
Net loss per share attributable to common stockholders	$	(0.24)	$	(0.16)

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:

	As of April 30,
	2021	2020
Stock options to purchase common stock, restricted stock units and performance stock units	5,727,577	6,405,769
Warrants to purchase common stock	—	75,137
Total	5,727,577	6,480,906