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Note 7 - Accrued Expenses
3 Months Ended
Feb. 29, 2020
Notes to Financial Statements  
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
 
7
)
Accrued Expenses
 
Major components of accrued expenses are:
 
   
February 2
9
, 20
20
   
November 30, 2019
 
Salaries, wages, and commissions
  $
592,892
    $
555,201
 
Accrued warranty expense
   
239,233
     
203,185
 
Other
   
272,888
     
374,440
 
    $
1,105,013
    $
1,132,826