Note 7 - Borrowed Funds - Short Term FHLB Advances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Variable Rate Advances [Member]
Maximum balance at any month end	$ 5,000	$ 0	$ 5,000	$ 0
Average balance	879	357	1,036	179
Period end balance	$ 0	$ 0	$ 0	$ 0
At end of period	0.00%	0.00%	0.00%	0.00%
During the period	5.76%	5.37%	5.77%	5.37%
Fixed Rate Advances [Member]
Maximum balance at any month end	$ 12,500	$ 15,000	$ 13,000	$ 15,000
Average balance	2,692	4,192	2,456	2,096
Period end balance	$ 0	$ 0	$ 0	$ 0
At end of period	0.00%	0.00%	0.00%	0.00%
During the period	5.67%	5.11%	5.65%	5.11%
Bank Term Funding Program [Member]
Maximum balance at any month end	$ 33,625	$ 13,000	$ 33,625	$ 13,000
Average balance	33,625	6,067	32,766	3,033
Period end balance	$ 33,625	$ 13,000	$ 33,625	$ 13,000
At end of period	4.85%	4.99%	4.85%	4.99%
During the period	4.84%	5.04%	4.82%	5.04%