Note 10 - Fair Value of Financial Instruments - Financial Assets and Financial Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale, Excluding Accrued Interest	$ 285,023	$ 292,590
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	4,549	5,195
US Treasury and Government [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	44,422	46,913
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	114,822	117,877
Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	3,148	4,162
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	27,706	28,235
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	83,202	82,623
Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	7,174	7,585
Fair Value, Recurring [Member]
Loans held-for-sale	13,651	13,368
Fair Value, Recurring [Member] \| US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	4,549	5,195
Fair Value, Recurring [Member] \| US Treasury and Government [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	44,422	46,913
Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	114,822	117,877
Fair Value, Recurring [Member] \| Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	3,148	4,162
Fair Value, Recurring [Member] \| Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	27,706	28,235
Fair Value, Recurring [Member] \| Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	83,202	82,623
Fair Value, Recurring [Member] \| Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	7,174	7,585
Fair Value, Recurring [Member] \| Interest Rate Lock Commitments [Member]
Derivative liabilities	17	103
Fair Value, Recurring [Member] \| Forward TBA Mortgage-backed Securities [Member]
Derivative liabilities	140
Derivative assets		142
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Loans held-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| US Treasury and Government [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	44,422	46,913
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Lock Commitments [Member]
Derivative liabilities	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Forward TBA Mortgage-backed Securities [Member]
Derivative liabilities	0
Derivative assets		0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Loans held-for-sale	13,651	13,368
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	4,549	5,195
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| US Treasury and Government [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	114,822	117,877
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	3,148	4,162
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	27,706	28,235
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	83,202	82,623
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	7,174	7,585
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Lock Commitments [Member]
Derivative liabilities	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Forward TBA Mortgage-backed Securities [Member]
Derivative liabilities	140
Derivative assets		142
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Loans held-for-sale	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| US Treasury and Government [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0	0
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Lock Commitments [Member]
Derivative liabilities	17	103
Fair Value, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Forward TBA Mortgage-backed Securities [Member]
Derivative liabilities	$ 0
Derivative assets		$ 0

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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