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Note C - Inventories - Schedule of Inventory (Details) - USD ($) | Sep. 30, 2022 | Mar. 31, 2022
--- | --- | ---
Inventory, Net, Total | $ 88,593,950 | $ 67,946,122
Prime Coil Inventory [Member] |  |
Prime Coil Inventory | 75,353,312 | 50,482,022
Non-standard Coil Inventory [Member] |  |
Prime Coil Inventory | 505,497 | 1,063,374
Tubular Inventory [Member] |  |
Prime Coil Inventory | 8,996,488 | 9,049,598
Tubular Finished Goods | $ 3,738,653 | $ 7,351,128

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