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