Note 8 - Right-of-use Asset and Lease Liability - Lease Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025
Cash paid for operating lease liabilities	$ 689	$ 615
Right-of-use assets obtained in exchange for new operating lease obligations	$ 473	$ 1,061
Weighted-average remaining lease term (years) (Year)	4 years 10 months 24 days	4 years 10 months 24 days
Weighted-average discount rate	6.30%	6.40%