COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Costs and Estimated Earnings on Uncompleted Contracts [Line Items]
Costs Incurred On Uncompleted Contracts	$ 241,403,134		$ 186,947,009
Estimated earnings	98,995,440		87,913,307
Sub-total	340,398,574		274,860,316
Less billings to date	244,189,893		195,849,954
Costs and estimated earnings in excess of billings on uncompleted contracts	96,208,681		79,010,362
Decrease in estimated gross profits on contracts due to revisions	1,000,000	2,600,000
U.S. Government [Member]
Costs and Estimated Earnings on Uncompleted Contracts [Line Items]
Costs Incurred On Uncompleted Contracts	204,275,188		162,233,699
Estimated earnings	78,181,599		72,883,505
Sub-total	282,456,787		235,117,204
Less billings to date	205,883,663		171,694,325
Costs and estimated earnings in excess of billings on uncompleted contracts	76,573,124		63,422,879
Commercial [Member]
Costs and Estimated Earnings on Uncompleted Contracts [Line Items]
Costs Incurred On Uncompleted Contracts	37,127,946		24,713,310
Estimated earnings	20,813,841		15,029,802
Sub-total	57,941,787		39,743,112
Less billings to date	38,306,230		24,155,629
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 19,635,557		$ 15,587,483