Note 11 - Deposits - Deposits and Weighted Average Interest Rates (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Noninterest checking, weighted average rate	0.00%	0.00%
Noninterest checking, amount	$ 244,015	$ 325,603
Noninterest checking, percent of total	25.00%	33.20%
Interest checking, weighted average rate	0.85%	0.38%
Interest checking, amount	$ 140,975	$ 147,497
Interest checking, percent of total	14.40%	15.00%
Savings accounts, weighted average rate	0.11%	0.08%
Savings accounts, amount	$ 107,864	$ 123,389
Savings accounts, percent of total	11.10%	12.60%
Money market accounts, weighted average rate	2.16%	0.73%
Money market accounts, amount	$ 249,246	$ 253,498
Money market accounts, percent of total	25.50%	25.80%
Amount	$ 742,100	$ 849,987
Percent of total	76.00%	86.60%
Certificates, amount	$ 234,693	$ 131,939
Certificates, percent of total	24.00%	13.40%
Total certificates, weighted average rate	4.43%	2.59%
Total deposits, weighted average rate	1.75%	0.60%
Total deposits	$ 976,793	$ 981,926
Total deposits, percent of total	100.00%	100.00%
Range 1 [Member]
Certificates, amount	$ 17,699	$ 53,645
Certificates, percent of total	1.80%	5.40%
Range 1 [Member] | Minimum [Member]
Certificate Rate	0.00%
Range 1 [Member] | Maximum [Member]
Certificate Rate	0.99%
Range 2 [Member]
Certificates, amount	$ 5,164	$ 8,049
Certificates, percent of total	0.50%	0.80%
Range 2 [Member] | Minimum [Member]
Certificate Rate	1.00%
Range 2 [Member] | Maximum [Member]
Certificate Rate	1.99%
Range 3 [Member]
Certificates, amount	$ 2,652	$ 3,521
Certificates, percent of total	0.30%	0.40%
Range 3 [Member] | Minimum [Member]
Certificate Rate	2.00%
Range 3 [Member] | Maximum [Member]
Certificate Rate	2.99%
Range 4 [Member]
Certificates, amount	$ 17,163	$ 5,493
Certificates, percent of total	1.80%	0.60%
Range 4 [Member] | Minimum [Member]
Certificate Rate	3.00%
Range 4 [Member] | Maximum [Member]
Certificate Rate	3.99%
Range 5 [Member]
Certificates, amount	$ 96,806	$ 61,231
Certificates, percent of total	9.90%	6.20%
Range 5 [Member] | Minimum [Member]
Certificate Rate	4.00%
Range 5 [Member] | Maximum [Member]
Certificate Rate	4.99%
Range 6 [Member]
Certificates, amount	$ 95,209	$ 0
Certificates, percent of total	9.70%	0.00%
Range 6 [Member] | Minimum [Member]
Certificate Rate	5.00%
Range 6 [Member] | Maximum [Member]
Certificate Rate	5.99%