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Note 4 - Costs and Estimated Earnings on Uncompleted Contracts (Tables)

6 Months Ended

Jun. 30, 2015

Notes Tables

Unrealized Gain (Loss) on Investments [Table Text Block]

		June 30, 2015
		U.S
		Government				Commercial				Total

Costs incurred on uncompleted contracts		$	318,013,719			$	104,947,445			$	422,961,164
Estimated earnings			62,223,542				44,915,987				107,139,529
Sub-total			380,237,261				149,863,432				530,100,693
Less billings to date			328,958,180				111,057,919				440,016,099

Costs and estimated earnings in excess of billings on uncompleted contracts		$	51,279,081			$	38,805,513			$	90,084,594

		December 31, 2014
		U.S.
		Government				Commercial				Total
Costs incurred on uncompleted contracts		$	299,871,583			$	90,272,545			$	390,144,128
Estimated earnings			56,708,610				39,773,983				96,482,593
Sub-total			356,580,193				130,046,528				486,626,721
Less billings to date			313,441,471				94,324,761				407,766,232
Costs and estimated earnings in excess of billings on uncompleted contracts		$	43,138,722			$	35,721,767			$	78,860,489

Net Unbilled and Estimated Earnings [Table Text Block]

		June 30, 2015				December 31, 2014
Costs and estimated earnings in excess of billings on uncompleted contracts		$	90,182,256			$	79,054,139
Billings in excess of costs and estimated earnings on uncompleted contracts			(97,662	)			(193,650	)

Totals		$	90,084,594			$	78,860,489