COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Tables)

9 Months Ended

Sep. 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 the following:

	September 30, 2017
	U.S.
	Government		Commercial		Total
Costs incurred on uncompleted contracts	$	368,164,864	$	171,052,715	$	539,217,579
Estimated earnings		34,663,617		71,877,761		106,541,378
Sub-total		402,828,481		242,930,476		645,758,957
Less billings to date		357,402,993		180,391,063		537,794,056
Costs and estimated earnings in excess of billings on uncompleted contracts	$	45,425,488	$	62,539,413	$	107,964,901

	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 September 30, 2017 and December 31, 2016:

	September 30, 2017			December 31, 2016
Costs and estimated earnings in excess of billings on uncompleted contracts	$	108,377,905		$	99,578,526
Billings in excess of costs and estimated earnings on uncompleted contracts		(413,004	)		(115,337	)
Totals	$	107,964,901		$	99,463,189