XML 57 R46.htm IDEA: XBRL DOCUMENT v3.21.2
Note 10 - Leases - Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Amortization of ROU assets $ 65 $ 50 $ 184 $ 151
Interest on lease liabilities 13 17 42 54
Operating lease costs 620 682 1,890 1,904
Short-term lease costs (1) [1] 255 53 454 289
Sub-lease income (20) (21) (61) (61)
Total Lease costs $ 933 $ 781 $ 2,509 $ 2,337
[1] Includes variable lease costs, which are immaterial