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Note L - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022
Treasury Stock, Value, Acquired, Cost Method | $ 5,148 | $ 3 | $ 7 | $ 29
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) | 1,045,774 |  |  |
Common Stock [Member] |  |  |  |
Stock Repurchase Program, Percentage of Shares Authorized to be Repurchased | 15.00% |  |  |
Metal One Corporation [Member] | Common Stock [Member] |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 400,041 |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 5,100 |  |  |

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