Note 9 - Leases (Details Textual) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 6.4	$ 2.9
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years 3 months 18 days		3 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	5.60%		5.20%
Operating Lease, Liability, Current	$ 7.2
Letters of Credit Outstanding, Amount	$ 1.1