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Note 4 - Inventories and Major Vendors (Tables)
12 Months Ended
Oct. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

2021

  

2020

 
         

Raw materials and supplies

 $6,422  $4,410 

Work in process

  381   196 

Finished goods

  4,376   3,980 
         

Totals

 $11,179  $8,586