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Property, Plant and Equipment (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Property, Plant and Equipment (Textual)        
Depreciation expense $ 779,856 $ 789,150 $ 2,314,928 $ 2,383,457