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Net loss per share attributable to common stockholders
 3 Months Ended
Apr. 30, 2024
Earnings Per Share [Abstract]  
Net loss per share attributable to common stockholders Net loss per share attributable to common stockholders
(a) Net loss per share attributable to common stockholders
Basic and diluted net loss per share attributable to common stockholders was calculated as follows:
 Three months ended
April 30,
 20242023
Numerator:
Net loss$(19,722)$(37,531)
Denominator:
Weighted-average shares of common stock outstanding, basic and diluted56,666,311 53,347,709 
Net loss per share attributable to common stockholders$(0.35)$(0.70)


(b) Potential dilutive securities
The Company’s potential dilutive securities, which include stock options, restricted stock units, performance stock awards and grants under the Company's ESPP, have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted-average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. 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,
20242023
Stock options to purchase common stock, restricted stock and performance stock awards6,390,517 7,428,704 
Employee stock purchase plan89,553 76,634 
     Total6,480,070 7,505,338