XML 21 R10.htm IDEA: XBRL DOCUMENT v3.21.2
Note 4 - Inventories
9 Months Ended
Jul. 31, 2021
Notes to Financial Statements  
Inventory Disclosure [Text Block]

(4)

Inventories

 

Inventories as of July 31, 2021 and October 31, 2020 consist of the following:

 

   

July 31,

   

October 31,

 
   

2021

   

2020

 

Finished goods

  $ 4,420,160     $ 4,663,978  

Work in process

    3,795,368       4,165,289  

Raw materials

    7,282,036       8,010,794  

Production supplies

    237,892       259,706  

Total

  $ 15,735,456     $ 17,099,767