COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Tables)

6 Months Ended

Jun. 30, 2016

Contractors [Abstract]

Schedule of costs and estimated earnings in excess of billings on uncompleted contracts

Costs and estimated earnings in excess of billings on uncompleted contracts consist of:

	June 30, 2016
	U.S.
	Government		Commercial		Total
Costs incurred on uncompleted Contracts	$	371,414,845	$	139,315,072	$	510,729,917
Estimated earnings		55,185,377		53,583,053		108,768,430
Sub-total		426,600,222		192,898,125		619,498,347
Less billings to date		377,641,991		148,244,511		525,886,502
Costs and estimated earnings in excess of billings on uncompleted contracts	$	48,958,231	$	44,653,614	$	93,611,845

	December 31, 2015
	U.S.
	Government		Commercial		Total
Costs incurred on uncompleted Contracts	$	349,458,368	$	123,078,356	$	472,536,724
Estimated earnings		62,718,792		49,539,299		112,258,091
Sub-total		412,177,160		172,617,655		584,794,815
Less billings to date		353,601,903		128,745,963		482,347,866
Costs and estimated earnings in excess of billings on uncompleted contracts	$	58,575,257	$	43,871,692	$	102,446,949

The above amounts are included in the accompanying balance sheets under the following captions at June 30, 2016 and December 31, 2015:

	June 30, 2016			December 31, 2015
Costs and estimated earnings in excess of billings on uncompleted contracts	$	93,990,022		$	102,622,387
Billings in excess of costs and estimated earnings on uncompleted contracts		(378,177	)		(175,438	)
Totals	$	93,611,845		$	102,446,949