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Note 15 - Segment Information - Segment Financial Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Net sales | $ 496,483 | $ 526,250 | $ 989,424 | $ 1,052,892
Cost of materials sold | 374,679 | 406,547 | 749,179 | 814,085
Operating expenses | 102,216 | 97,366 | 204,567 | 193,198
Depreciation | 6,559 | 5,839 | 13,041 | 11,845
Amortization | 1,656 | 1,388 | 3,471 | 2,716
Operating income | 11,373 | 15,110 | 19,166 | 31,048
Other loss, net | 27 | 21 | 48 | 40
Interest and other expense on debt | 3,956 | 4,393 | 8,138 | 8,403
Income before income taxes | 7,390 | 10,696 | 10,980 | 22,605
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] |  |  |  |
Net sales | 0 | 0 | 0 | 0
Cost of materials sold | 0 | 0 | 0 | 0
Operating expenses | 4,793 | 4,579 | 9,583 | 8,839
Depreciation | 18 | 18 | 35 | 35
Amortization | 0 | 0 | 0 | 0
Operating income | (4,811) | (4,597) | (9,618) | (8,874)
Specialty Metals Flat Products [Member] | Operating Segments [Member] |  |  |  |
Net sales | 134,706 | 130,873 | 264,244 | 260,407
Cost of materials sold | 110,761 | 104,944 | 219,561 | 212,534
Operating expenses | 18,063 | 17,151 | 35,218 | 34,176
Depreciation | 750 | 662 | 1,486 | 1,384
Amortization | 206 | 267 | 423 | 533
Operating income | 4,926 | 7,849 | 7,556 | 11,780
Carbon Flat Products [Member] | Operating Segments [Member] |  |  |  |
Net sales | 282,543 | 307,755 | 568,783 | 608,730
Cost of materials sold | 209,612 | 243,996 | 424,951 | 479,611
Operating expenses | 60,386 | 54,286 | 120,372 | 106,908
Depreciation | 4,066 | 3,470 | 8,074 | 6,911
Amortization | 1,086 | 642 | 2,168 | 1,282
Operating income | 7,393 | 5,361 | 13,218 | 14,018
Tubular and Pipe Products [Member] | Operating Segments [Member] |  |  |  |
Net sales | 79,234 | 87,622 | 156,397 | 183,755
Cost of materials sold | 54,306 | 57,607 | 104,667 | 121,940
Operating expenses | 18,974 | 21,350 | 39,394 | 43,275
Depreciation | 1,725 | 1,689 | 3,446 | 3,515
Amortization | 364 | 479 | 880 | 901
Operating income | $ 3,865 | $ 6,497 | $ 8,010 | $ 14,124

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