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Note 5 - Inventories (Tables) | 6 Months Ended
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Jul. 31, 2025
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
|  | July 31, 2025 |  |  | January 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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