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Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives [Line Items] |  |  |  |
Derivative Instrument | $ (113) | $ (139) | $ (229) | $ (292)
Metals Swap [Member] |  |  |  |
Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives [Line Items] |  |  |  |
Derivative Instrument | (270) | 1,117 | (1,387) | 1,772
Embedded Derivative Financial Instruments [Member] |  |  |  |
Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives [Line Items] |  |  |  |
Derivative Instrument | 270 | (1,117) | 1,387 | (1,772)
ABL Credit Facility [Member] | Interest Rate Swap [Member] |  |  |  |
Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives [Line Items] |  |  |  |
Derivative Instrument | (95) | (121) | (194) | (245)
Chicago Tube and Iron Company Acquisition [Member] | Interest Rate Swap [Member] |  |  |  |
Note 6 - Derivative Instruments (Details) - Impact to Consolidated Statements of Operations of Derivatives [Line Items] |  |  |  |
Derivative Instrument | $ (18) | $ (18) | $ (35) | $ (47)

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- 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=56946850&loc=SL5624171-113959 + Details
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