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Note 3 - Inventories and Major Vendors (Tables)
9 Months Ended
Jul. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

July 31, 2021

  

October 31, 2020

 
         

Raw materials and supplies

 $6,034  $4,410 

Work in process

  301   196 

Finished goods

  4,065   3,980 
         

Totals

 $10,400  $8,586