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Note 3 - Inventories (Tables)
12 Months Ended
Nov. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

November 30, 2021

  

November 30, 2020

 

Raw materials

 $8,289,386  $5,878,050 

Work in process

  357,721   304,009 

Finished goods

  3,088,739   3,283,715 

Total Gross Inventory

 $11,735,846  $9,465,774 

Less: Reserves

  (2,525,743)  (1,703,374)

Net Inventory

 $9,210,103  $7,762,400