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Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($)
$ in Thousands
Apr. 30, 2020
Jan. 31, 2020
Property and Equipment - net $ 27,553 $ 28,629
Finance lease liability short-term 404 417
Finance lease liability long-term 540 677
Total finance lease liabilities 944 1,094
Operating Lease, Right-of-Use Asset 11,165 11,475
Operating lease liability short-term 1,254 1,040
Operating lease liability long-term 10,851 11,214
Total operating lease liabilities 12,105 12,254
Finance Leases Assets [Member]    
Property and Equipment - gross 1,613 1,696
Accumulated depreciation and amortization (573) (551)
Property and Equipment - net $ 1,040 $ 1,145