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Note 4 - Inventories
3 Months Ended
Jan. 31, 2016
Notes to Financial Statements  
Inventory Disclosure [Text Block]
(4)
Inventories
 
Inventories as of January 31, 2016 and October 31, 2015 consist of the following:
 
 
 
January 31,
 
 
October 31,
 
 
 
2016
 
 
2015
 
Finished goods
  $ 5,995,072     $ 6,116,989  
Work in process
    2,386,214       2,918,803  
Raw materials
    8,943,510       8,514,718  
Production supplies
    278,536       265,570  
Total
  $ 17,603,332     $ 17,816,080