Quarterly report pursuant to Section 13 or 15(d)

Construction Backlog (Details Textual)

v3.8.0.1
Construction Backlog (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2017
Dec. 31, 2016
Construction Backlog (Textual)      
Large contracts entered   $ 79,547,622 $ 807,786
Contract One [Member]      
Construction Backlog (Textual)      
Large contracts entered $ 55,000,000    
Contract Two [Member]      
Construction Backlog (Textual)      
Large contracts entered $ 15,000,000