Note 10 - Leases (Details Textual) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 0.1	$ 6.8
Operating Lease, Weighted Average Remaining Lease Term (Year)	4 years 6 months	4 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	5.10%	5.10%
Operating Lease, Liability, Current	$ 5.1	$ 5.1
Operating Lease, Expense	$ 1.9	$ 4.9