Note 6 - Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Lease expenses	$ 469	$ 412
Right of use assets		$ 3,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets.	Other assets.
Increase in ROU assets	$ 1,100
Operating lease liability	$ 3,500
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Due to related parties	Due to related parties
Due to related parties	$ 204,263	$ 165,301
Interest income from direct financing lease	2,000	2,300
Net investment in direct financing lease	30,200	31,100
Contract price	17,000
Construction payment	2,800
Construction remaining future commitment	$ 14,200
Guaranty Federal Bancshares, Inc
Acquisition of ROU Assets		$ 8,400