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Income Taxes (Tables)
9 Months Ended
Aug. 31, 2020
Income Tax Disclosure [Abstract]  
Schedule of deferred income taxes
   August 31,   November 30, 
   2020   2019 
Deferred Tax Assets        
Net operating loss  $1,287,289   $1,524,286 
Allowance for bad debts   29,921    27,121 
Inventory   60,746    60,746 
Other   85,562    65,353 
Depreciation   64,074    65,402 
Total deferred tax assets   1,527,592    1,742,908 
Valuation allowance   (522,159)   (557,168)
           
Deferred Tax Assets  $1,005,433   $1,185,740 
Schedule of income tax expense
   Nine Months Ended 
   August 31,
2020
   August 31,
2019
 
         
Current:        
Federal  $-   $(38,519)
States   31,529    71,678 
           
    31,529    33,159 
Deferred:          
Federal   142,442    (126,275)
States   37,865    (33,567)
           
    180,307    (159,842)
           
Provision for income taxes  $211,836   $(126,683)
Schedule of difference between expected income tax rate using statutory federal tax rate and company's effective rate
   Nine Months ended 
   August 31,   August 31, 
   2020   2019 
U.S Federal Income tax statutory rate   21%   21%
Valuation allowance   4%   (32)%
State income taxes   5%   4%
Other   -    - 
Effective tax rate   30%   (7)%