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Note 12 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Percent, Total	9.80%	19.00%	17.90%
Deferred Tax Assets, Valuation Allowance	$ 20,699,000	$ 22,716,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	22,600
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 28,600,000
Open Tax Year	2018 2019 2020 2021 2022
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 900,000	$ 700,000	$ 600,000
Domestic Tax Authority [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration	$ 104,000,000.0

X

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

+ References

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

+ References

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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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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

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

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