Quarterly report pursuant to Section 13 or 15(d)

Operating Leases - Schedule of Components of Lease Expense (Detail)

v3.20.2
Operating Leases - Schedule of Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2020
Jul. 31, 2020
Leases [Abstract]    
Operating lease cost $ 306 $ 628
Short term lease cost 9 40
Total lease cost $ 315 $ 668