Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Operating Leases - Schedule of Components of Lease Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Leases [Abstract]    
Operating lease cost $ 322 $ 206
Short term lease cost 31 11
Total lease cost $ 353 $ 217