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Note 4 - Inventories (Tables)
9 Months Ended
Jul. 31, 2015
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
July 31,
 
 
October 31,
 
 
 
2015
 
 
2014
 
Finished goods
  $ 5,670,645     $ 5,378,114  
Work in process
    2,870,637       3,210,955  
Raw materials
    9,812,315       8,663,755  
Production supplies
    267,501       265,295  
Total
  $ 18,621,098     $ 17,518,119