Note 11 - Share-Based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)	$ 6.39	$ 5.94
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)	6,200	4,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)	8,960
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount	$ 1,419	$ 682
Minimum [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	1 year
Maximum [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	4 years
Executive Salary Swap Plan [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in shares)	13,979	6,739
Salary Payable For Stock Awards, Grant Price Per Share (in dollars per share)		$ 10
Executive Salary Swap Plan [Member] \| Minimum [Member]
Salary Swap Amount, Percentage	10.00%
Executive Salary Swap Plan [Member] \| Maximum [Member]
Salary Swap Amount, Percentage	50.00%
Employee And Nonemployee Director [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Expense	$ 286	$ 200
Share-Based Payment Arrangement, Amount Capitalized	$ 0	$ 0

The price per share for the shares granted in relation to the salary agreement.

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The percentage of the salary the executives can use for the salary swap.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Number of share options (or share units) exercised during the current period.

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