COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Tables)

6 Months Ended

Jun. 30, 2017

Contractors [Abstract]

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

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

	June 30, 2017
	U.S
	Government		Commercial		Total
Costs incurred on uncompleted contracts	$	357,970,228	$	165,341,508	$	523,311,736
Estimated earnings		40,585,938		61,086,808		101,672,746
Sub-total		398,556,166		226,428,316		624,984,482
Less billings to date		349,494,171		174,720,733		524,214,904
Costs and estimated earnings in excess of billings on uncompleted contracts	$	49,061,995	$	51,707,583	$	100,769,578

	December 31, 2016
	U.S.
	Government		Commercial		Total
Costs incurred on uncompleted contracts	$	341,003,461	$	153,898,425	$	494,901,886
Estimated earnings		39,638,231		58,346,518		97,984,749
Sub-total		380,641,692		212,244,943		592,886,635
Less billings to date		331,277,942		162,145,504		493,423,446
Costs and estimated earnings in excess of billings on uncompleted contracts	$	49,363,750	$	50,099,439	$	99,463,189

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

The above amounts are included in the accompanying condensed balance sheets under the following captions at June 30, 2017 and December 31, 2016:

	June 30, 2017			December 31, 2016
Costs and estimated earnings in excess of billings on uncompleted contracts	$	101,692,410		$	99,578,526
Billings in excess of costs and estimated earnings on uncompleted contracts		(922,832	)		(115,337	)
Totals	$	100,769,578		$	99,463,189