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Note 4 - Inventories
9 Months Ended
Jul. 31, 2016
Notes to Financial Statements  
Inventory Disclosure [Text Block]
(4)
Inventories
 
Inventories as of July 31, 2016 and October 31, 2015 consist of the following:
 
 
 
July 31,
 
 
October 31,
 
 
 
2016
 
 
2015
 
Finished goods
  $ 4,616,353     $ 6,116,989  
Work in process
    2,318,779       2,918,803  
Raw materials
    7,719,119       8,514,718  
Production supplies
    289,862       265,570  
Total
  $ 14,944,113     $ 17,816,080