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Consolidated Statements of Comprehensive Income (Loss) (USD $)
 3 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Comprehensive Income (Loss)    
Net income (loss) $ (1,953,441)us-gaap_NetIncomeLoss $ 388,045us-gaap_NetIncomeLoss
Other Comprehensive income (loss):    
Decrease in value of restricted securities (824,000)us-gaap_IncreaseDecreaseInMarketableSecuritiesRestricted  
Comprehensive income (loss) $ (2,777,441)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest $ 388,045us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest