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Purchase of interest in Aerex Industries, Inc. (Details) - USD ($)
12 Months Ended
Feb. 11, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Cash consideration        
Total cash consideration   $ 7,742,853 $ 0 $ 0
Aerex Industries Inc [Member]        
Cash consideration        
Purchase price (excluding working capital) $ 7,140,000      
Working capital adjustment 605,179      
Cash acquired (2,326)      
Total cash consideration $ 7,742,853