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Note H - Derivative Financial Instruments - Net Fair Value of Derivative Financial Instruments (Details) - USD ($) | Sep. 30, 2022 | Mar. 31, 2022
--- | --- | ---
Derivative assets | $ 743,380 | $ 933,200
Current Portion of Derivative Assets [Member] | Hot-rolled Coil Future Contracts [Member] | Not Designated as Hedging Instrument [Member] | Short [Member] |  |
Derivative assets | 2,958,720 |
Current Portion of Derivative Liability [Member] | Hot-rolled Coil Future Contracts [Member] | Not Designated as Hedging Instrument [Member] | Short [Member] |  |
Derivative liabilities | $ 3,102,160 | 5,524,020
Current Portion of Derivative Liability [Member] | Hot-rolled Coil Future Contracts [Member] | Designated as Hedging Instrument [Member] |  |
Derivative assets |  | 4,240,740
Current Portion of Derivative Liability [Member] | Hot-rolled Coil Future Contracts [Member] | Designated as Hedging Instrument [Member] | Short [Member] |  |
Derivative liabilities |  | $ 8,905,500

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