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Net Loss Per Share Attributable to Common Stockholders
 9 Months Ended
Oct. 31, 2021
Earnings Per Share [Abstract]  
Net Loss Per Share Attributable to Common Stockholders Net Loss Per Share Attributable to Common Stockholders
The following table sets forth the computation of the basic and diluted net loss per share attributable to common stockholders:
Three months ended October 31,Nine months ended October 31,
(in thousands, except share and per share data)2021202020212020
Numerator:
     Net loss attributable to common stockholders$(24,926)$(22,041)$(70,149)$(76,381)
Denominator:
     Weighted-average common shares outstanding128,570,237120,721,555126,967,336118,594,452
Net loss per share attributable to common stockholders, basic and diluted$(0.19)$(0.18)$(0.55)$(0.64)
        Basic net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted average number of common shares outstanding during the period. Unvested restricted stock and restricted stock units are excluded from the denominator of basic net loss per share. Diluted net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted average number of common shares plus common equivalent shares for the period, including any dilutive effect from such shares.
        Since the Company was in a net loss position for all periods presented, net loss per share attributable to common stockholders was the same on a basic and diluted basis, as the inclusion of all potential common equivalent shares outstanding would have been anti-dilutive. Anti-dilutive common equivalent shares were as follows:
As of October 31,
20212020
Options to purchase common stock7,031,266 9,464,860 
Restricted stock and restricted stock units10,912,675 10,406,910 
Shares estimated to be purchased under ESPP282,162 331,129 
Total anti-dilutive common equivalent shares18,226,103 20,202,899