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Note C - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Inventory, Net | $ 113,901 | $ 86,246
Prime Coil Inventory [Member] |  |
Prime Coil Inventory | 97,646 | 75,917
Non-standard Coil Inventory [Member] |  |
Prime Coil Inventory | 739 | 278
Tubular Inventory [Member] |  |
Prime Coil Inventory | 8,187 | 5,193
Tubular Finished Goods | $ 7,329 | $ 4,858

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