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Note 9 - Income Taxes (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Open Tax Year     2019 2020 2021 2022 2023 2024  
Effective Income Tax Rate Reconciliation, Percent 25.50% 26.50% 26.30% 27.10%