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Construction Backlog (Details Textual) - USD ($)
1 Months Ended
May 03, 2017
Mar. 31, 2017
Dec. 31, 2016
Construction Backlog (Textual)      
Deferred Revenue, Current   $ 116,754 $ 72,788
Subsequent Event [Member]      
Construction Backlog (Textual)      
Additional engineering contracts with revenues $ 2,544,266