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Note I - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2020
Income Tax Expense (Benefit) | $ (532) | $ 454 |
Effective Income Tax Rate Reconciliation, Percent | 41.80% | 12.00% |
Tax Year 2019 [Member] |  |  |
Proceeds from Income Tax Refunds |  |  | $ 6,400
Tax Year 2018 [Member] |  |  |
Proceeds from Income Tax Refunds |  |  | $ 3,200

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