Note 9 - Leases (Details Textual) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 9.0	$ 5.2
Operating Lease, Weighted Average Remaining Lease Term (Year)	3 years 2 months 12 days		3 years 3 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	5.50%		5.20%
Operating Lease, Liability, Current	$ 7.6
Letters of Credit Outstanding, Amount	$ 1.1