Leases (Details) - Schedule of Components of Lease Expense - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Jul. 31, 2020	Jul. 31, 2021	Jul. 31, 2020
Schedule of Components of Lease Expense [Abstract]
Operating lease expense	$ 1,565	$ 1,548	$ 3,115	$ 3,234
Variable lease expense	520	207	564	338
Total lease expense	$ 2,085	$ 1,755	$ 3,679	$ 3,572