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Note 7 - Goodwill and Intangible Assets - Goodwill, by Reportable Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Balance	$ 52,091	$ 10,496
Acquisitions	31,727	41,595
Impairments	0	0
Balance	83,818	52,091
Carbon Flat Products [Member]
Balance	34,259	1,065
Acquisitions	31,727	33,194
Impairments	0	0
Balance	65,986	34,259
Specialty Metals Flat Products [Member]
Balance	9,431	9,431
Acquisitions	0	0
Impairments	0	0
Balance	9,431	9,431
Tubular and Pipe Products [Member]
Balance	8,401	0
Acquisitions	0	8,401
Impairments	0	0
Balance	$ 8,401	$ 8,401

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