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Note 1 - Basis of Presentation (Details Textual)	6 Months Ended
	Jun. 30, 2024
Number of Reportable Segments	3
Carbon Flat Products and Specialty Metals Flat Products [Member] | UNITED STATES
Number of Operating Facilities	36
Carbon Flat Products and Specialty Metals Flat Products [Member] | MEXICO
Number of Operating Facilities	1
Tubular and Pipe Products [Member]
Number of Operating Facilities	10

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-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
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-SubTopic 10
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-Section 50
-Paragraph 18
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