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Description of Business and Summary of Significant Accounting Policies (Details 4) (Fair Value, Measurements, Recurring [Member], USD $)
Nov. 30, 2012
Nov. 30, 2011
Financial assets and liabilities measured at fair value on a recurring basis    
Trading securities $ 13,660  
Available-for-sale securities   1,008,404
Level 1 [Member]
   
Financial assets and liabilities measured at fair value on a recurring basis    
Trading securities 13,660  
Available-for-sale securities   6,404
Level 2 [Member]
   
Financial assets and liabilities measured at fair value on a recurring basis    
Trading securities     
Available-for-sale securities   1,002,000
Level 3 [Member]
   
Financial assets and liabilities measured at fair value on a recurring basis    
Trading securities     
Available-for-sale securities