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Note 10 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Jan. 31, 2022
Property and Equipment - net $ 23,754 $ 24,756
Finance lease liability long-term 9,301 9,327
Total finance lease liabilities 436 530
Operating Lease, Right-of-Use Asset 7,712 11,213
Operating lease liability short-term 1,527 1,496
Operating lease liability long-term 7,042 11,270
Total operating lease liabilities 8,569 12,766
Other Current Liabilities [Member]    
Finance lease liability short-term 352 357
Operating lease liability short-term 1,527 1,496
Other Noncurrent Liabilities [Member]    
Finance lease liability long-term 84 173
Operating lease liability long-term 7,042 11,270
Finance Leases Assets [Member]    
Property and Equipment - gross 1,208 1,221
Accumulated depreciation and amortization (548) (490)
Property and Equipment - net $ 660 $ 731