Note 8 - Operating Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Operating lease right-of-use asset	$ 3,344	$ 4,153
Current operating lease liability	976	1,138
Operating lease liability, net of current portion	$ 2,357	$ 2,998
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Total operating lease liability	$ 3,333	$ 4,136
Weighted-average remaining lease term (years) (Year)	4 years 1 month 6 days	4 years 6 months
Weighted-average discount rate	7.10%	6.70%