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Note 9 - Income Taxes - Income Tax Benefit (Expense) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
State income tax $ 46 $ 39
Deferred tax expense – federal 41 9
Deferred tax expense – state 19 35
Tax expense $ 106 $ 83