COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Tables)

6 Months Ended

Jun. 30, 2014

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

	June 30, 2014
	U.S
	Government	Commercial	Total

Costs incurred on uncompleted
contracts	$283,389,597	$74,375,964	$357,765,561
Estimated earnings	54,647,673	33,817,544	88,465,217
Sub-total	338,037,270	108,193,508	446,230,778
Less billings to date	295,396,600	77,617,027	373,013,627
Costs and estimated earningsin excess of billings on uncompleted contracts	$42,640,670	$30,576,481	$73,217,151

	December 31, 2013
	U.S.
	Government	Commercial	Total
Costs incurred on uncompleted
contracts	$259,050,407	$62,502,116	$321,552,523
Estimated earnings	95,590,879	30,694,605	126,285,484
Sub-total	354,641,286	93,196,721	447,838,007
Less billings to date	272,783,120	62,733,921	335,517,041
Costs and estimated earnings in excess of billings on uncompleted contracts	$81,858,166	$30,462,800	$112,320,966

The above amounts are included in the accompanying balance sheets under the following captions at June 30, 2014 and December 31, 2013:

	June 30, 2014	December 31, 2013
Costs and estimated earnings in excess of billings on
uncompleted contracts	$ 73,560,852	$ 112,597,136
Billings in excess of costs and estimated earnings on
uncompleted contracts	(343,701)	(276,170)

Totals	$ 73,217,151	$ 112,320,966