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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Goodwill and Intangible Assets (Textual) [Abstract]        
Aggregate amortization expense on intangible assets $ 404,000 $ 412,000 $ 1,214,602 $ 968,986
Estimated aggregate amortization expense for remainder of 2017 404,000   404,000  
Estimated aggregate amortization expense for 2018 1,300,000   1,300,000  
Estimated aggregate amortization expense for 2019 1,100,000   1,100,000  
Estimated aggregate amortization expense for 2020 547,000   547,000  
Estimated aggregate amortization expense for 2021 520,000   520,000  
Estimated aggregate amortization expense for 2022 and the years after $ 2,600,000   $ 2,600,000