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Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($)
$ in Thousands
Apr. 30, 2024
Jan. 31, 2024
Property and Equipment - net $ 38,211 $ 37,620
Finance lease liability short-term 32 113
Finance lease liability long-term 71 0
Total finance lease liabilities 103 113
Operating Lease, Right-of-Use Asset 6,165 6,467
Operating lease liability short-term 845 914
Operating lease liability long-term 6,032 6,270
Total operating lease liabilities 6,877 7,184
Finance Leases Assets [Member]    
Property and Equipment - gross 949 970
Accumulated depreciation and amortization (562) (536)
Property and Equipment - net $ 387 $ 434