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

3 Months Ended

Mar. 31, 2016

Notes Tables

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

	March 31, 2016
	U.S Government		Commercial		Total
Costs incurred on uncompleted Contracts	$	365,420,922	$	131,723,458	$	497,144,380
Estimated earnings		49,232,922		51,232,036		100,464,958
Sub-total		414,653,844		182,955,494		597,609,338
Less billings to date		367,009,811		137,787,467		504,797,278
Costs and estimated earnings in excess of billings on uncompleted contracts	$	47,644,033	$	45,168,027	$	92,812,060

	December 31, 2015
	U.S. Government		Commercial		Total
Costs incurred on uncompleted Contracts	$	349,458,368	$	123,078,356	$	472,536,724
Estimated earnings		62,718,792		49,539,299		112,258,091
Sub-total		412,177,160		172,617,655		584,794,815
Less billings to date		353,601,903		128,745,963		482,347,866
Costs and estimated earnings in excess of billings on uncompleted contracts	$	58,575,257	$	43,871,692	$	102,446,949

Net Unbilled and Estimated Earnings [Table Text Block]

	March 31, 2016			December 31, 2015
Costs and estimated earnings in excess of billings on uncompleted contracts	$	92,884,034		$	102,622,387
Billings in excess of costs and estimated earnings on uncompleted contracts		(71,974	)		(175,438	)
Totals	$	92,812,060		$	102,446,949