Note 7 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands	1 Months Ended
	Jan. 31, 2024	Jun. 30, 2024	Feb. 28, 2024	Dec. 31, 2023
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available		$ 42,500
Residential Mortgage Segment [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged		47,600
US Treasury Securities [Member]
Investment Owned, Face Amount		22,500
Overdraft Line Of Credit Expiring February 28, 2025 [Member]
Federal Home Loan Bank Overdraft, Line of Credit			$ 10,000
Federal Home Loan Bank, Overdraft, Line Of Credit, Borrowings Outstanding		0
Federal Reserve Bank Advances [Member]
Short-Term Debt		33,600		$ 21,500
Federal Home Loan Bank, Advance, Maturity, Year One		0		$ 0
Proceeds from Short-Term Debt	$ 33,600
Debt Instrument, Interest Rate, Stated Percentage	4.85%
Debt Instrument, Term	1 year
Federal Reserve Bank Advances [Member] | Asset Pledged as Collateral [Member]
Investment Owned, Balance, Principal Amount		48,900
Investment Owned, Fair Value		$ 46,200