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Note 11 - Income Taxes - Provision for Income Taxes (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Current | $ 1,558,000 | $ 1,140,000
Deferred income taxes | (322,000) | (27,000)
Provision for income taxes | $ 1,236,000 | $ 1,113,000

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