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Note 4 - Inventories
6 Months Ended
Apr. 30, 2020
Notes to Financial Statements  
Inventory Disclosure [Text Block]

(4)

Inventories

 

Inventories as of April 30, 2020 and October 31, 2019 consist of the following:

 

   

April 30,

   

October 31,

 
   

2020

   

2019

 

Finished goods

  $ 5,109,148     $ 5,845,973  

Work in process

    3,794,390       3,321,216  

Raw materials

    7,862,534       8,632,230  

Production supplies

    271,080       296,208  

Total

  $ 17,037,152     $ 18,095,627