Annual report pursuant to Section 13 and 15(d)

Short-Term Investments and Marketable Securities-Fair Value (Details)

v2.4.0.8
Short-Term Investments and Marketable Securities-Fair Value (Details) (USD $)
Nov. 30, 2013
Nov. 30, 2012
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure $ 1,112,440 $ 2,283,772
Corporate Obligations [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 995,827
Limited Partnerships [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 354,050 292,680
Common Stock
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 758,390 595,626
Fixed Income Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 399,639
Fair Value, Inputs, Level 1 [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 1,112,440 1,287,945
Fair Value, Inputs, Level 1 [Member] | Corporate Obligations [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure   0
Fair Value, Inputs, Level 1 [Member] | Limited Partnerships [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 354,050 292,680
Fair Value, Inputs, Level 1 [Member] | Common Stock
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 758,390 595,626
Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure   399,639
Fair Value, Inputs, Level 2 [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 995,827
Fair Value, Inputs, Level 2 [Member] | Corporate Obligations [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure   995,827
Fair Value, Inputs, Level 2 [Member] | Limited Partnerships [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Inputs, Level 2 [Member] | Common Stock
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure $ 0 $ 0