Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Prepaid and Refundable Income Taxes (Detail)

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Income Taxes - Schedule of Prepaid and Refundable Income Taxes (Detail) (USD $)
Nov. 30, 2012
Nov. 30, 2011
Operating Loss Carryforwards [Line Items]    
Prepaid and refundable income taxes $ 745,177 $ 718,828
Federal [Member]
   
Operating Loss Carryforwards [Line Items]    
Prepaid and refundable income taxes 377,292 368,507
State & Local [Member]
   
Operating Loss Carryforwards [Line Items]    
Prepaid and refundable income taxes $ 367,885 $ 350,321