Note 4 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Mar. 31, 2025
Total	$ 169,173	$ 113,689
Flat-Roll Inventory [Member]
Flat-roll raw material	120,293	85,865
Flat-roll finished goods	30,637	15,737
Tubular Inventory [Member]
Flat-roll raw material	8,083	7,055
Flat-roll finished goods	$ 10,160	$ 5,032

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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