Note 4 - Inventories (Tables)
 3 Months Ended
Jan. 31, 2015
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
 
 
January 31,
 
 
October 31,
 
 
 
2015
 
 
2014
 
Finished goods
   $ 5,950,882     $ 5,378,114  
Work in process
     2,898,225       3,210,955  
Raw materials
     9,298,334       8,663,755  
Production supplies
     255,169       265,295  
Total
   $ 18,402,610     $ 17,518,119