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Note 14 - Stock Repurchases (Details Textual) - Common Stock [Member] - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Stock Repurchased and Retired During Period, Shares (in shares) | 133,151 | 44,349 | 148,547
Stock Repurchased and Retired During Period, Value | $ 13,502,000 | $ 2,482,000 | $ 9,903,000

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