Note 11 - Leases (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Buildings and Equipment [Member]
Operating Lease, Right-of-Use Asset	$ 230	$ 424
Minimum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Remaining Lease Term (Year)	5 years