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Note 6 - Inventory
3 Months Ended
Feb. 28, 2021
Notes to Financial Statements  
Inventory Disclosure [Text Block]
 
6
)
Inventory
 
Major classes of inventory are:
 
   
February 28, 2021
   
November 30, 2020
 
Raw materials
  $
7,647,204
    $
7,086,367
 
Work in process
   
239,754
     
304,009
 
Finished goods
   
3,665,851
     
3,777,136
 
Total Gross Inventory
  $
11,552,809
    $
11,167,512
 
Less: Reserves
   
(3,650,565
)    
(3,405,112
)
Net Inventory
  $
7,902,244
    $
7,762,400