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Goodwill and Intangible Assets (Details 1) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Goodwill and Intangible Assets (Textual) [Abstract]    
Aggregate amortization expense on intangible assets $ 223,485us-gaap_AmortizationOfIntangibleAssets $ 239,813us-gaap_AmortizationOfIntangibleAssets
Estimated aggregate amortization expense for remainder of 2015 647,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear  
Estimated aggregate amortization expense for 2016 816,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo  
Estimated aggregate amortization expense for 2017 775,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree  
Estimated aggregate amortization expense for 2018 773,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour  
Estimated aggregate amortization expense for 2019 773,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive  
Estimated aggregate amortization expense for 2020 and the years after $ 769,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive