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Note 5 - Inventories (Tables)
3 Months Ended
Apr. 30, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

April 30, 2025

  

January 31, 2025

 

Raw materials

 $13,945  $16,374 

Work in process

  1,112   745 

Finished goods

  350   366 

Subtotal

  15,407   17,485 

Less allowance

  873   863 

Inventories

 $14,534  $16,622