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Note 6 - Balance Sheet - Continuing Operations - Schedule of Inventories (Details) - USD ($) $ in Thousands | Oct. 31, 2021 | Jan. 31, 2021
--- | --- | ---
Raw materials | $ 6,796 | $ 6,905
Finished goods | 3,561 | 3,466
Work in progress | 2,478 | 2,445
Inventory, Gross, Total | 12,835 | 12,816
Less allowance for obsolescence | (1,337) | (1,363)
Total inventories, net | $ 11,498 | $ 11,453

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