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Construction Backlog (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Construction Backlog [Abstract] |  |
Balance - beginning of period | $ 76,659,029 | $ 541,291
New contracts and change orders during the period | 32,112,767 | 81,179,323
Subtotal | 108,771,796 | 81,720,614
Less: contract revenue earned during the period | (5,932,150) | (5,061,585)
Balance - end of period | $ 102,839,646 | $ 76,659,029

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- References No definition available. + Details
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- Definition Construction Backlog Gross + References No definition available. + Details
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- Definition Construction contracts backlog. + References No definition available. + Details
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- Definition Amount of contract revenue. + References No definition available. + Details
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- Definition New contracts received during the year. + References No definition available. + Details
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