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Note 5 - Impact to Consolidated Statements of Operations of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member]
Derivatives	$ (20)	$ (17)
Interest Rate Swap [Member] | A B L Credit Facility [Member]
Derivatives	(61)	(99)
Metals Swap [Member]
Derivatives	(76)	(1,117)
Embedded Customer Derivatives [Member]
Derivatives	76	1,117
Derivatives	$ (81)	$ (116)

X

- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

+ Details

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X

- Details

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- Details

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- Details

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