XML 45 R27.htm IDEA: XBRL DOCUMENT v3.20.4
Note 3 - Inventories (Tables)
12 Months Ended
Oct. 31, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

October 31,

 
   

2020

   

2019

 

Finished goods

  $ 4,663,978     $ 5,845,973  

Work in process

    4,165,289       3,321,216  

Raw materials

    8,010,794       8,632,230  

Production supplies

    259,706       296,208  

Total

  $ 17,099,767     $ 18,095,627