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Note 3 - Inventories and Major Vendors (Tables)
6 Months Ended
Apr. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

April 30, 2021

  

October 31, 2020

 
         

Raw materials and supplies

 $5,035  $4,410 

Work in process

  314   196 

Finished goods

  4,225   3,980 
         

Totals

 $9,574  $8,586