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Description of Business, Basis of Presentation and Significant Accounting Policies (Tables)
 6 Months Ended
May 31, 2017
Accounting Policies [Abstract]  
Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table summarizes the financial assets and liabilities measured at fair value on a recurring basis as of May 31, 2017 and November 30, 2016, respectively, segregated among the appropriate levels within the fair value hierarchy:

 

     Fair Value at
May 31, 2017		      Fair Value Measurements
at May 31, 2017 Using		  

Description

       Level 1      Level 2      Level 3  

Assets:

            

Trading securities

    $ 112,976      $ 112,976        —          —    

Available-for-sale securities

      365,364        365,364        —          —    
  

 

 

     

 

 

     

 

 

     

 

 

  

Total

    $ 478,340      $ 478,340        —          —    
  

 

 

     

 

 

     

 

 

     

 

 

  

 

     Fair Value at
November 30,
2016		      Fair Value Measurements
at November 30, 2016 Using		  

Description

       Level 1      Level 2      Level 3  

Assets:

            

Trading Securities

    $ 304,142      $ 304,142        —          —    

Available-for-sale

      320,081        320,081        —          —    
  

 

 

     

 

 

     

 

 

     

 

 

  
   $ 624,223      $ 624,223        —          —