Equity-based compensation (Tables)

6 Months Ended

Jul. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of stock option activity

Stock option activity for the six months ended July 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 six months ended July 31, 2020	—	$	—
Exercised	(1,203,593)	$	2.06
Forfeited and expired	(40,983)	$	7.22
Outstanding and expected to vest — July 31, 2020	4,271,876	$	4.26	6.14	$	110,233
Exercisable — July 31, 2020	2,919,857	$	2.93	5.18	$	79,205
Amount vested in six months ended July 31, 2020	347,073	$	5.87

Schedule of restricted stock unit activity

Restricted stock unit activity for the six months ended July 31, 2020 are as follows: 

	Restricted stock units
Outstanding, February 1, 2020	1,447,418
Granted in six months ended July 31, 2020	575,194
Vested	(76,803)
Forfeited and expired	(32,559)
Outstanding, July 31, 2020	1,913,250