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Note 5 - Inventories (Tables)
9 Months Ended
Oct. 31, 2025
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

October 31, 2025

  

January 31, 2025

 

Raw materials

 $19,243  $16,374 

Work in process

  419   745 

Finished goods

  303   366 

Subtotal

  19,965   17,485 

Less allowance

  830   863 

Inventories

 $19,135  $16,622