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Note 4 - Inventories
9 Months Ended
Jul. 31, 2018
Notes to Financial Statements  
Inventory Disclosure [Text Block]
(
4
)
Inventories
 
Inventories as of
July 31, 2018
and
October 
31,
2017
consist of the following:
 
   
July 31,
   
October 31,
 
   
2018
   
2017
 
Finished goods
  $
4,763,778
    $
5,869,269
 
Work in process
   
3,490,700
     
2,507,434
 
Raw materials
   
8,798,742
     
8,108,433
 
Production supplies
   
260,224
     
296,313
 
Total
  $
17,313,444
    $
16,781,449