Note 14 - Leases - Weighted Average Remaining Terms and Discount Rates (Details)	Dec. 31, 2022	Dec. 31, 2021
Weighted Average Remaining Lease Term - operating leases (years) (Year)	2 years 10 months 24 days	3 years 1 month 6 days
Weighted Average Remaining Lease Term - finance leases (years) (Year)	36 years	1 year 6 months
Weighted Average Discount Rate - operating leases	1.60%	1.60%
Weighted Average Discount Rate - finance leases	5.90%	0.40%