Quarterly report pursuant to Section 13 or 15(d)

Short-term Investments and Marketable Securities Short-term Investments and Marketable Securities (Details Textuals)

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Short-term Investments and Marketable Securities Short-term Investments and Marketable Securities (Details Textuals) (USD $)
3 Months Ended 6 Months Ended 36 Months Ended 42 Months Ended
May 31, 2013
May 31, 2012
May 31, 2013
May 31, 2012
Nov. 30, 2012
May 31, 2013
Short Term Investments and Marketable Securities (Textual) [Abstract]            
Unrealized gain on its investments     $ 193,114      
Deferred Tax Benefit 21,755 (13,743) 50,650 98,354 20,616 (71,266)
Bank Certificates of Deposit Insured 500,000   500,000     500,000
Bank Certificate Of Deposit Insured For Cash $ 0   $ 0     $ 0