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Note 3 - Inventories (Tables)
12 Months Ended
Oct. 31, 2015
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
October 31,
 
 
 
2015
 
 
2014
 
Finished goods
  $ 6,116,989     $ 5,378,114  
Work in process
    2,918,803       3,210,955  
Raw materials
    8,514,718       8,663,755  
Production supplies
    265,570       265,295  
Total
  $ 17,816,080     $ 17,518,119