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Employee Benefit Plans (Details 1) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Components of net periodic pension cost:    
Interest cost $ 6,439us-gaap_DefinedBenefitPlanInterestCost $ 4,621us-gaap_DefinedBenefitPlanInterestCost
Expected return on plan assets (2,312)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets (1,854)us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets
Amortization of net loss 6,411us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses 5,783us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses
Service cost 2,223us-gaap_DefinedBenefitPlanServiceCost 0us-gaap_DefinedBenefitPlanServiceCost
Net periodic pension cost $ 12,761us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost $ 8,550us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost