CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2022	Jan. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 4,217	$ 4,966
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	1,000,000,000	1,000,000,000
Common stock issued (in shares)	68,160,434	67,543,731
Common stock outstanding (in shares)	68,061,063	67,444,360
Treasury stock (in shares)	99,371	99,371
Average repurchase price of treasury stock shares (in dollars per share)	$ 13.27	$ 13.27