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Note 7 - Goodwill (Details) - Goodwill by Reportable Segment (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 Flat Products [Member] Southern Region [Member] | Dec. 31, 2013 Flat Products [Member] | Dec. 31, 2012 Flat Products [Member] | Dec. 31, 2011 Flat Products [Member] | Dec. 31, 2012 Tubular and Pipe Products [Member] CTI [Member] | Dec. 31, 2013 Tubular and Pipe Products [Member] | Dec. 31, 2012 Tubular and Pipe Products [Member] | Dec. 31, 2011 Tubular and Pipe Products [Member] | Dec. 31, 2012 Southern Region [Member] | Dec. 31, 2012 CTI [Member]
Goodwill [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Balance | $ 47,254 | $ 40,787 |  | $ 500 | $ 500 | $ 7,083 |  | $ 40,287 | $ 40,287 | $ 40,171 |  |
Acquisitions |  |  |  |  |  |  | 116 |  |  |  |  | 116
Impairments | 6,583 |  | (6,583) |  |  |  |  |  |  |  | (6,583) |
Balance | $ 40,787 | $ 40,787 |  | $ 500 | $ 500 | $ 7,083 |  | $ 40,287 | $ 40,287 | $ 40,171 |  |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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