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COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Costs incurred on uncompleted Contracts $ 477,219,758 $ 472,536,724
Estimated earnings 91,121,097 112,258,091
Sub-total 568,340,855 584,794,815
Less billings to date 473,427,775 482,347,866
Totals 94,913,080 102,446,949
US Government [Member]    
Costs incurred on uncompleted Contracts 330,307,949 349,458,368
Estimated earnings 35,177,233 62,718,792
Sub-total 365,485,182 412,177,160
Less billings to date 318,086,991 353,601,903
Totals 47,398,191 58,575,257
Commercial [Member]    
Costs incurred on uncompleted Contracts 146,911,809 123,078,356
Estimated earnings 55,943,864 49,539,299
Sub-total 202,855,673 172,617,655
Less billings to date 155,340,784 128,745,963
Totals $ 47,514,889 $ 43,871,692