Note 11 - Employee Benefits (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Employee Stock Ownership Plan (ESOP), Minimum Service Period, Hours	1,000
Employee Stock Ownership Plan (ESOP), Requisite Service Period (Month)	12 months
Employee Stock Ownership Plan (ESOP), Debt Structure, Amortization Period (Year)	20 years
Employee Stock Ownership Plan (ESOP), Debt Structure, Estimated Interest Rate	2.46%		2.46%
Employee Stock Ownership Plan (ESOP), Principal and Interest Payments from ESOP			$ 837,000	$ 835,000
Employee Stock Ownership Plan (ESOP), Compensation Expense, Net of Dividends Received	$ 136,000	$ 167,000	$ 481,000	$ 507,000