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Property, Plant and Equipment (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Property, Plant and Equipment (Textual)      
Land and building held for sale $ 395,000   $ 395,000
Depreciation expense $ 5,400,000 $ 2,500,000