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Summary of Significant Accounting Policies - Hedging Transactions (Details) (USD $)
3 Months Ended 12 Months Ended
Nov. 30, 2011
Feb. 28, 2015
Feb. 28, 2014
Oct. 01, 2012
Derivative Instruments, Gain (Loss) [Line Items]        
Loan term   10 years    
Interest Rate Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Proceeds from cash flow hedge $ 834,416us-gaap_ProceedsFromHedgeInvestingActivities
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
     
Notional amount of hedge       75,000,000us-gaap_DerivativeAssetNotionalAmount
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
Interest rate reclassified to earnings   $ 83,442us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember
$ 83,442us-gaap_InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet
/ us-gaap_DerivativeInstrumentRiskAxis
= us-gaap_InterestRateContractMember