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

3 Months Ended

Mar. 31, 2015

Notes Tables

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

		March 31, 2015
		U.S
		Government				Commercial				Total

Costs incurred on uncompleted contracts		$	308,735,093			$	97,357,559			$	406,092,652

Estimated earnings			59,792,771				41,912,231				101,705,002

Sub-total			368,527,864				139,269,790				507,797,654

Less billings to date			322,540,371				102,464,371				425,004,742

Costs and estimated earnings in excess of billings on uncompleted contracts		$	45,987,493			$	36,805,419			$	82,792,912

		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]

		March 31, 2015				December 31, 2014
Costs and estimated earnings in excess of billings on uncompleted contracts		$	82,916,324			$	79,054,139
Billings in excess of costs and estimated earnings on uncompleted contracts			(123,412	)			(193,650	)

Totals		$	82,792,912			$	78,860,489