Quarterly report pursuant to Section 13 or 15(d)

Short-Term Investments and Marketable Securities (Details)

v2.4.0.6
Short-Term Investments and Marketable Securities (Details) (USD $)
Feb. 28, 2013
Nov. 30, 2012
Available for sale securities current:    
Short term investments and marketable securities at cost $ 1,980,937 $ 2,227,909
Short-term investments and marketable securities 2,115,099 2,283,772
Corporate Obligations [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 754,518 1,004,490
Short-term investments and marketable securities   995,827
Limited Partnership [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 223,373 223,373
Short-term investments and marketable securities   292,680
Common Stock [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 600,046 600,046
Short-term investments and marketable securities   595,626
Fixed Income Securities [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 403,000 400,000
Short-term investments and marketable securities   399,639
Fair Value, Measurements, Fair Value Hierarchy [Domain]
   
Available for sale securities current:    
Available-for-sale Securities, Fair Value Disclosure 2,115,099 2,283,772
Fair Value, Measurements, Fair Value Hierarchy [Domain] | Corporate Obligations [Member]
   
Available for sale securities current:    
Available-for-sale Securities, Fair Value Disclosure 747,331 995,827
Fair Value, Measurements, Fair Value Hierarchy [Domain] | Limited Partnership [Member]
   
Available for sale securities current:    
Available-for-sale Securities, Fair Value Disclosure 329,720 292,680
Fair Value, Measurements, Fair Value Hierarchy [Domain] | Common Stock [Member]
   
Available for sale securities current:    
Available-for-sale Securities, Fair Value Disclosure 635,246 595,626
Fair Value, Measurements, Fair Value Hierarchy [Domain] | Fixed Income Securities [Member]
   
Available for sale securities current:    
Available-for-sale Securities, Fair Value Disclosure $ 402,802 $ 399,639