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Note 1 - Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Number of Reportable Segments | 2 |  |
Liabilities, Current (in Dollars) | $ 165,633,000 | $ 142,442,000 |
Net Cash Provided by (Used in) Financing Activities (in Dollars) | (43,199,000) | (4,475,000) | 176,401,000
Net Cash Provided by (Used in) Operating Activities (in Dollars) | 54,681,000 | 27,741,000 | 15,840,000
LIFO Inventory Amount (in Dollars) | 43,900,000 | 46,700,000 |
Percentage of LIFO Inventory | 15.30% | 16.10% |
Engineered Products [Member] | Sales Revenue, Goods, Net [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 1.90% | 1.30% | 1.00%
Scenario, Previously Reported [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Liabilities, Current (in Dollars) |  | 138,100,000 |
Net Cash Provided by (Used in) Financing Activities (in Dollars) |  | (4,100,000) |
Net Cash Provided by (Used in) Operating Activities (in Dollars) |  | $ 27,400,000 |
Steel Requirements [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 42.00% | 44.00% | 50.00%
Largest Customer [Member] | Sales Revenue, Goods, Net [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 5.00% | 4.00% | 4.00%
Three Largest US Automobile manufacturers [Member] | Sales Revenue, Goods, Net [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 50.00% | 50.00% |
Other Steel Service Centers [Member] | Sales Revenue, Goods, Net [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 52.00% |  |
Sales Revenue, Goods, Net [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Concentration Risk, Percentage | 30.00% | 31.00% | 32.00%
Minimum [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 2 years |  |
Maximum [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 30 years |  |

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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