Quarterly report pursuant to Section 13 or 15(d)

Short-Term Investments and Marketable Securities (Details)

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Short-Term Investments and Marketable Securities (Details) (USD $)
Aug. 31, 2013
Nov. 30, 2012
Available for sale securities current:    
Short term investments and marketable securities at cost $ 1,980,913 $ 2,227,909
Available-for-sale Securities, Fair Value Disclosure 2,170,269 2,283,772
Corporate Obligations [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 754,494 1,004,490
Available-for-sale Securities, Fair Value Disclosure 750,239 995,827
Limited Partnership [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 223,373 223,373
Available-for-sale Securities, Fair Value Disclosure 331,400 292,680
Common Stock [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 600,046 600,046
Available-for-sale Securities, Fair Value Disclosure 685,694 595,626
Fixed Income Securities [Member]
   
Available for sale securities current:    
Short term investments and marketable securities at cost 403,000 400,000
Available-for-sale Securities, Fair Value Disclosure $ 402,936 $ 399,639