Note 5 - Premises and Equipment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) Asset
Lease expenses	$ 412	$ 636
Right of use assets	$ 3,000	$ 1,300
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets.	Other assets.
Operating lease liability		$ 1,300
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Interest income from direct financing lease	$ 2,300	$ 4,000
Net investment in direct financing lease	31,100	$ 44,200
No of ROU | Asset		1
Guaranty Federal Bancshares, Inc
Acquisition of ROU Assets	8,400
Accounting Standards Update 2016-13
Operating lease liability	$ 3,000