Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets, Valuation Allowance	$ 0	$ 0
Unrecognized Tax Benefits	766	$ 678	$ 637
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 766
Domestic Tax Jurisdiction [Member]
Open Tax Year	2021 2022 2023
State and Local Jurisdiction [Member]
Open Tax Year	2021 2022 2023
Foreign Tax Jurisdiction [Member]
Open Tax Year	2017 2018 2019 2020 2021 2022 2023 2024

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Topic 740
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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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