XML 20 R10.htm IDEA: XBRL DOCUMENT v3.22.1
Note 4 - Inventories
Apr. 30, 2022
Notes to Financial Statements  
Inventory Disclosure [Text Block]

(4)

Inventories

 

Inventories as of April 30, 2022 and October 31, 2021 consist of the following:

 

   

April 30,

   

October 31,

 
   

2022

   

2021

 

Finished goods

  $ 3,407,081     $ 4,211,098  

Work in process

    4,108,272       4,023,693  

Raw materials

    10,805,920       7,763,325  

Production supplies

    324,718       305,692  

Total

  $ 18,645,991     $ 16,303,808