| Summary of Income Tax Provision (Benefit) | 
 The Company recorded the following income tax provision for the years ended November 30, 2022 and 2021.  
  
      
       
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
        
       
           | 
           | 
        2022  | 
           | 
           | 
        2021  | 
           | 
        
       
        Current:  | 
           | 
           | 
           | 
           | 
           | 
           | 
        
       
        Federal  | 
           | 
        $  | 
        1,714,000  | 
           | 
           | 
        $  | 
        1,468,000  | 
           | 
        
       
        State  | 
           | 
           | 
        566,000  | 
           | 
           | 
           | 
        740,000  | 
           | 
        
       
        Foreign  | 
           | 
           | 
        —  | 
           | 
           | 
           | 
        (34,000  | 
        )  | 
        
       
             Subtotal  | 
           | 
           | 
        2,280,000  | 
           | 
           | 
           | 
        2,174,000  | 
           | 
        
       
        Deferred:  | 
           | 
           | 
           | 
           | 
           | 
           | 
        
       
        Federal  | 
           | 
           | 
        (1,218,000  | 
        )  | 
           | 
           | 
        (1,024,000  | 
        )  | 
        
       
        State  | 
           | 
           | 
        (514,000  | 
        )  | 
           | 
           | 
        (622,000  | 
        )  | 
        
       
        Foreign  | 
           | 
           | 
        —  | 
           | 
           | 
           | 
        —  | 
           | 
        
       
             Subtotal  | 
           | 
           | 
        (1,732,000  | 
        )  | 
           | 
           | 
        (1,646,000  | 
        )  | 
        
       
        Income tax expense  | 
           | 
        $  | 
        548,000  | 
           | 
           | 
        $  | 
        528,000  | 
           | 
        
       
 | 
| Summary of Deferred Tax Assets and Liabilities | 
 As of November 30, 2022 and 2021, the tax effects of temporary differences that give rise to the deferred tax assets are as follows:  
  
      
       
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
         | 
        
       
           | 
           | 
        2022  | 
           | 
           | 
        2021  | 
           | 
        
       
        Tax assets:  | 
           | 
           | 
           | 
           | 
           | 
           | 
        
       
        Deferred income (net of discounts)  | 
           | 
        $  | 
        10,081,000  | 
           | 
           | 
        $  | 
        8,507,000  | 
           | 
        
       
        Tax over book basis in unconsolidated affiliate  | 
           | 
           | 
        1,252,000  | 
           | 
           | 
           | 
        1,246,000  | 
           | 
        
       
        Accrued payroll  | 
           | 
           | 
        335,000  | 
           | 
           | 
           | 
        109,000  | 
           | 
        
       
        Reserves and other accruals  | 
           | 
           | 
        2,524,000  | 
           | 
           | 
           | 
        2,341,000  | 
           | 
        
       
        Stock compensation  | 
           | 
           | 
        475,000  | 
           | 
           | 
           | 
        414,000  | 
           | 
        
       
        Depreciation and amortization  | 
           | 
           | 
        213,000  | 
           | 
           | 
           | 
        499,000  | 
           | 
        
       
        Transaction costs  | 
           | 
           | 
        20,000  | 
           | 
           | 
           | 
        19,000  | 
           | 
        
       
        RSA buy-out  | 
           | 
           | 
        1,236,000  | 
           | 
           | 
           | 
        1,374,000  | 
           | 
        
       
        Lease liability  | 
           | 
           | 
        171,000  | 
           | 
           | 
           | 
        174,000  | 
           | 
        
       
        Unrealized loss on securities  | 
           | 
           | 
        69,000  | 
           | 
           | 
           | 
        68,000  | 
           | 
        
       
        Total Assets:  | 
           | 
           | 
        16,376,000  | 
           | 
           | 
           | 
        14,751,000  | 
           | 
        
       
        Tax Liabilities:  | 
           | 
           | 
           | 
           | 
           | 
           | 
        
       
        NOLs, credits, and other carryforward items  | 
           | 
           | 
        (955,000  | 
        )  | 
           | 
           | 
        (1,050,000  | 
        )  | 
        
       
        Right-of-use asset  | 
           | 
           | 
        (169,000  | 
        )  | 
           | 
           | 
        (172,000  | 
        )  | 
        
       
        Total liabilities  | 
           | 
           | 
        (1,124,000  | 
        )  | 
           | 
           | 
        (1,222,000  | 
        )  | 
        
       
        Less: valuation allowance  | 
           | 
           | 
        (1,510,000  | 
        )  | 
           | 
           | 
        (1,519,000  | 
        )  | 
        
       
        Net deferred tax asset  | 
           | 
        $  | 
        13,742,000  | 
           | 
           | 
        $  | 
        12,010,000  | 
           | 
        
       
 | 
| Summary of Federal Statutory Rate to Pretax Income | 
 A reconciliation of the income tax provision with the amount of tax computed by applying the federal statutory rate to pretax income follows:  
  
      
       
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         | 
         | 
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         | 
         | 
         | 
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         | 
         | 
         | 
         | 
         | 
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           | 
           | 
        For the Years Ended November 30  | 
           | 
        
       
           | 
           | 
        2022  | 
           | 
           | 
        %  | 
           | 
           | 
        2021  | 
           | 
           | 
        %  | 
           | 
        
       
        Tax at federal statutory rate  | 
           | 
           | 
        696,979  | 
           | 
           | 
           | 
        21.00  | 
           | 
           | 
           | 
        548,358  | 
           | 
           | 
           | 
        21.00  | 
           | 
        
       
        State income tax effect  | 
           | 
           | 
        50,556  | 
           | 
           | 
           | 
        1.52  | 
           | 
           | 
           | 
        175,654  | 
           | 
           | 
           | 
        6.73  | 
           | 
        
       
        Change in valuation allowance  | 
           | 
           | 
        (8,865  | 
        )  | 
           | 
           | 
        (0.27  | 
        )  | 
           | 
           | 
        20,262  | 
           | 
           | 
           | 
        0.77  | 
           | 
        
       
        Tax compensation differences  | 
           | 
           | 
        15,313  | 
           | 
           | 
           | 
        0.46  | 
           | 
           | 
           | 
        212,217  | 
           | 
           | 
           | 
        8.13  | 
           | 
        
       
        Permanent disallowances  | 
           | 
           | 
        8,266  | 
           | 
           | 
           | 
        0.25  | 
           | 
           | 
           | 
        34,356  | 
           | 
           | 
           | 
        1.31  | 
           | 
        
       
        Deferred repricing  | 
           | 
           | 
        (126,306  | 
        )  | 
           | 
           | 
        (3.81  | 
        )  | 
           | 
           | 
        (334,874  | 
        )  | 
           | 
           | 
        (12.82  | 
        )  | 
        
       
        Other  | 
           | 
           | 
        (8,376  | 
        )  | 
           | 
           | 
        (0.24  | 
        )  | 
           | 
           | 
        (93,976  | 
        )  | 
           | 
           | 
        (3.60  | 
        )  | 
        
       
        Foreign tax credits  | 
           | 
           | 
        (80,027  | 
        )  | 
           | 
           | 
        (2.41  | 
        )  | 
           | 
           | 
        —  | 
           | 
           | 
           | 
        —  | 
           | 
        
       
        Foreign tax withholding  | 
           | 
           | 
        —  | 
           | 
           | 
           | 
        —  | 
           | 
           | 
           | 
        (34,287  | 
        )  | 
           | 
           | 
        (1.31  | 
        )  | 
        
       
        Total income taxes  | 
           | 
        $  | 
        547,540  | 
           | 
           | 
           | 
        16.50  | 
           | 
           | 
        $  | 
        527,710  | 
           | 
           | 
           | 
        20.21  | 
           | 
        
       
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