Note 11 - Segment Information (Details) - Segment Reporting Information by Capital Expenditure (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Capital expenditures
Capital expenditures	$ 2,090	$ 8,849	$ 7,214	$ 12,628
Flat Products [Member]
Capital expenditures
Capital expenditures	1,631	1,541	4,861	2,937
Tubular and Pipe Products [Member]
Capital expenditures
Capital expenditures	459	7,308	2,332	9,691
Corporate Segment [Member]
Capital expenditures
Capital expenditures			$ 21