Note 9 - Leases (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Lessee, Operating and Finance Lease, Renewal Term (Year)	10 years
Operating Lease, Expense	$ 2.0	$ 1.6
Minimum [Member]
Operating and Finance Lease, Remaining Term (Year)	2 years
Maximum [Member]
Operating and Finance Lease, Remaining Term (Year)	12 years