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Note 6 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands | Jan. 31, 2024 | Jan. 31, 2023
--- | --- | ---
Property, plant and equipment | $ 87,493 | $ 82,930
Accumulated depreciation and amortization | (49,873) | (56,412)
Property and Equipment - net | 37,619 | 26,518
Total finance lease liabilities | 113 | 164
Operating Lease, Right-of-Use Asset | 6,467 | 4,527
Operating lease liability short-term | 914 | 912
Operating lease liability long-term | 6,270 | 4,252
Total operating lease liabilities | 7,184 | 5,164
Other Current Liabilities [Member] |  |
Finance lease liability short-term | 113 | 164
Operating lease liability short-term | 914 | 912
Long-term Finance Obligation [Member] |  |
Finance lease liability long-term | 0 | 0
Finance Leases Assets [Member] |  |
Property, plant and equipment | 970 | 1,161
Accumulated depreciation and amortization | (536) | (700)
Property and Equipment - net | $ 434 | $ 461

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