Note 2 - Business Combinations - Pro Forma Operating Results (Details) - Century Metals and Supplies [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Net sales	$ 167,974	$ 116,172	$ 501,221	$ 386,955
Earnings (loss) from operations	$ 3,899	$ (402)	$ 15,734	$ 569

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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