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Note 10 - Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
9 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Operating cash outflows from finance leases $ 7 $ 24
Operating cash outflows from operating leases 1,399 1,377
Operating leases liabilities 3,615 0
Finance leases liabilities 139 0
Finance Lease Obligations [Member]    
Financing cash outflows from finance leases $ 176 $ 251