Note 5 - Premises and Equipment, Net and Leases (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Construction in Progress, Gross	$ 281,000
Depreciation	2,070,000	$ 2,145,000
Gain (Loss) on Disposition of Assets	(1,000)	(29,000)
Operating Lease, Payments	475,000
Lease, Cost	514,000
Increase (Decrease) in Operating Lease Liability	(483,000)
Operating Lease, Right-of-Use Asset	927,000	1,402,000
Operating Lease, Liability	$ 959,000	$ 1,442,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	2 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent		3.20%