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v3.19.3.a.u2

Note 3 - Revenue Recognition - Disaggregation of Revenues, Percentage (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Percentage of net sales | 100.00% | 100.00%
Hot Rolled Products [Member] |  |
Percentage of net sales | 32.30% | 35.20%
Plate Products [Member] |  |
Percentage of net sales | 12.20% | 12.90%
Cold Rolled Products [Member] |  |
Percentage of net sales | 5.50% | 5.40%
Coated Products [Member] |  |
Percentage of net sales | 7.70% | 7.40%
Specialty [Member] |  |
Percentage of net sales | 20.90% | 20.00%
Pipe and Tube Products [Member] |  |
Percentage of net sales | 18.30% | 17.40%
Product and Service, Other [Member] |  |
Percentage of net sales | 3.10% | 1.70%
Carbon Flat Products [Member] |  |
Percentage of net sales | 58.70% | 62.60%
Carbon Flat Products [Member] | Hot Rolled Products [Member] |  |
Percentage of net sales | 32.30% | 35.20%
Carbon Flat Products [Member] | Plate Products [Member] |  |
Percentage of net sales | 12.20% | 12.90%
Carbon Flat Products [Member] | Cold Rolled Products [Member] |  |
Percentage of net sales | 5.50% | 5.40%
Carbon Flat Products [Member] | Coated Products [Member] |  |
Percentage of net sales | 7.70% | 7.40%
Carbon Flat Products [Member] | Specialty [Member] |  |
Percentage of net sales |  |
Carbon Flat Products [Member] | Pipe and Tube Products [Member] |  |
Percentage of net sales |  |
Carbon Flat Products [Member] | Product and Service, Other [Member] |  |
Percentage of net sales | 1.00% | 1.70%
Specialty Metals Flat Products [Member] |  |
Percentage of net sales | 23.00% | 20.00%
Specialty Metals Flat Products [Member] | Hot Rolled Products [Member] |  |
Percentage of net sales |  |
Specialty Metals Flat Products [Member] | Plate Products [Member] |  |
Percentage of net sales |  |
Specialty Metals Flat Products [Member] | Cold Rolled Products [Member] |  |
Percentage of net sales |  |
Specialty Metals Flat Products [Member] | Coated Products [Member] |  |
Percentage of net sales |  |
Specialty Metals Flat Products [Member] | Specialty [Member] |  |
Percentage of net sales | 20.90% | 20.00%
Specialty Metals Flat Products [Member] | Pipe and Tube Products [Member] |  |
Percentage of net sales |  |
Specialty Metals Flat Products [Member] | Product and Service, Other [Member] |  |
Percentage of net sales | 2.10% | 0.00%
Tubular and Pipe Products [Member] |  |
Percentage of net sales | 18.30% | 17.40%
Tubular and Pipe Products [Member] | Hot Rolled Products [Member] |  |
Percentage of net sales |  |
Tubular and Pipe Products [Member] | Plate Products [Member] |  |
Percentage of net sales |  |
Tubular and Pipe Products [Member] | Cold Rolled Products [Member] |  |
Percentage of net sales |  |
Tubular and Pipe Products [Member] | Coated Products [Member] |  |
Percentage of net sales |  |
Tubular and Pipe Products [Member] | Specialty [Member] |  |
Percentage of net sales |  |
Tubular and Pipe Products [Member] | Pipe and Tube Products [Member] |  |
Percentage of net sales | 18.30% | 17.40%
Tubular and Pipe Products [Member] | Product and Service, Other [Member] |  |
Percentage of net sales |  |

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