Equity-based compensation (Tables)

9 Months Ended

Oct. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of stock option activity

Stock option activity for the nine months ended October 31, 2020 is as follows:

	Number of options	Weighted- average exercise price		Weighted- average remaining contractual life (in years)	Aggregate Intrinsic value
Outstanding — January 31, 2020	5,516,452	$	3.80
Granted in nine months ended October 31, 2020	—	$	—
Exercised	(1,610,207)	$	2.08
Forfeited and expired	(54,083)	$	7.31
Outstanding and expected to vest — October 31, 2020	3,852,162	$	4.46	6.03	$	125,217
Exercisable — October 31, 2020	2,625,365	$	3.12	5.09	$	88,856
Amount vested in nine months ended October 31, 2020	476,680	$	5.52

Schedule of restricted stock unit activity

Restricted stock unit activity for the nine months ended October 31, 2020 are as follows: 

	Restricted stock units
Outstanding, February 1, 2020	1,447,418
Granted in nine months ended October 31, 2020	701,392
Vested	(76,915)
Forfeited and expired	(93,915)
Outstanding, October 31, 2020	1,977,980