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Note 10 - Income Taxes - A Reconciliation of the Provision for Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Expense computed at the statutory federal tax rate | $ 2,678 | $ 2,905
State and local taxes, net of federal income tax effect | 633 | 501
Other, net | 48 | (65)
Total income tax expense | $ 3,359 | $ 3,341
Effective income tax rate | 26.34% | 24.15%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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