Note 3 - Cost and Estimated Earnings on Uncompleted Contracts (Tables)

12 Months Ended

Dec. 31, 2014

Contractors [Abstract]

Cost and Estimated Earnings on Uncompleted Contracts [Table Text Block]

	December 31,
	2014			2013
	(Dollars in thousands)
Costs and estimated earnings incurred on uncompleted contracts	$	127,959		$	51,550
Less billings to date		(124,890	)		(38,236	)
Total	$	3,069		$	13,314

Cost and Estimated Earnings on Uncompleted Contracts Included in Consolidated Balance Sheets [Table Text Block]

	December 31,
	2014			2013
	(Dollars in thousands)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	27,793		$	21,217
Billings in excess of costs and estimated earnings on uncompleted contracts		(24,724	)		(7,903	)
Total	$	3,069		$	13,314