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Leases (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Leases [Abstract]      
Rent expense for operating leases $ 743,323 $ 736,249 $ 866,768
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2017 767,450    
2018 26,677    
Total minimum lease payments $ 794,127