COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Costs incurred on uncompleted Contracts	$ 510,729,917	$ 472,536,724
Estimated earnings	108,768,430	112,258,091
Sub-total	619,498,347	584,794,815
Less billings to date	525,886,502	482,347,866
Totals	93,611,845	102,446,949
US Government [Member]
Costs incurred on uncompleted Contracts	371,414,845	349,458,368
Estimated earnings	55,185,377	62,718,792
Sub-total	426,600,222	412,177,160
Less billings to date	377,641,991	353,601,903
Totals	48,958,231	58,575,257
Commercial [Member]
Costs incurred on uncompleted Contracts	139,315,072	123,078,356
Estimated earnings	53,583,053	49,539,299
Sub-total	192,898,125	172,617,655
Less billings to date	148,244,511	128,745,963
Totals	$ 44,653,614	$ 43,871,692