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Note 4 - Inventories (Tables)
6 Months Ended
Apr. 30, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
April 30,
 
 
October 31,
 
 
 
2016
 
 
2015
 
Finished goods
  $ 5,124,103     $ 6,116,989  
Work in process
    2,430,164       2,918,803  
Raw materials
    8,728,557       8,514,718  
Production supplies
    259,204       265,570  
Total
  $ 16,542,028     $ 17,816,080