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Note 6 - Inventory (Tables)
9 Months Ended
Aug. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

August 31, 2021

  

November 30, 2020

 

Raw materials

 $8,801,878  $7,086,367 

Work in process

  457,739   304,009 

Finished goods

  3,239,777   3,777,136 

Total Gross Inventory

 $12,499,394  $11,167,512 

Less: Reserves

  (3,210,531)  (3,405,112)

Net Inventory

 $9,288,863  $7,762,400