Note 6 - Goodwill and Intangible Assets - Goodwill, by Reportable Segment (Details) $ in Thousands	6 Months Ended
Jun. 30, 2023 USD ($)
Balance	$ 10,496
Acquisitions	33,194
Impairments	0
Balance as of June 30, 2023	43,690
Specialty Metals Flat Products [Member]
Balance	9,431
Acquisitions	0
Impairments	0
Balance as of June 30, 2023	9,431
Carbon Flat Products [Member]
Balance	1,065
Acquisitions	33,194
Impairments	0
Balance as of June 30, 2023	$ 34,259

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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