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Note 5 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands | Jul. 31, 2025 | Jan. 31, 2025
--- | --- | ---
Raw materials | $ 16,164 | $ 16,374
Work in process | 437 | 745
Finished goods | 298 | 366
Subtotal | 16,899 | 17,485
Less allowance | 1,014 | 863
Inventories | $ 15,885 | $ 16,622

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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