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Note J - Segment Information (Details Textual) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2022
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total | $ 686,640 | $ (2,953,960) |
Gain (Loss) on Extinguishment of Debt, Total | (0) | 1,706,614 |
Paycheck Protection Program CARES Act [Member] |  |  |
Gain (Loss) on Extinguishment of Debt, Total |  | 1,706,614 |
Nonoperating Income (Expense) [Member] |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total | 2,754,240 |  |
Nonoperating Income (Expense) [Member] | Hot-rolled Coil Steel Contracts [Member] |  |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total | $ 2,754,240 | (1,388,960) |
Derivative Instruments Not Designated as Hedging Instruments, Loss |  | $ 1,388,960 |
Nonoperating Income (Expense) [Member] | Paycheck Protection Program CARES Act [Member] |  |  |
Gain (Loss) on Extinguishment of Debt, Total |  |  | $ 1,706,614

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