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Note 7 - Accrued Expenses
6 Months Ended
May 31, 2021
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
 
7
)
Accrued Expenses
 
Major components of accrued expenses are:
 
   
May 31, 2021
   
November 30, 2020
 
Salaries, wages, and commissions
  $
614,764
    $
726,625
 
Accrued warranty expense
   
267,500
     
291,454
 
Other
   
284,397
     
261,233
 
    $
1,166,661
    $
1,279,312