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Note 4 - Inventories
6 Months Ended
Apr. 30, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]

(4)

Inventories

 

Inventories as of April 30, 2019 and October 31, 2018 consist of the following:

 

   

April 30,

   

October 31,

 
   

2019

   

2018

 

Finished goods

  $ 6,238,608     $ 5,454,629  

Work in process

    4,156,203       3,877,670  

Raw materials

    9,538,869       7,871,145  

Production supplies

    309,543       271,311  

Total

  $ 20,243,223     $ 17,474,755