Note 7 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating lease costs	$ 888	$ 732
Amortization of right-of-use assets	21	31
Interest on lease liabilities	1	2
Variable lease costs	103	44
Total lease costs	1,013	809
Cash paid for lease liabilities, Operating	778	643
Cash paid for lease liabilities, Finance	$ 21	$ 40
Weighted average remaining lease term, Operating Lease (Year)	8 years	8 years 10 months 24 days
Weighted average remaining lease term, Finance Lease (Year)	2 years 7 months 6 days	3 years 7 months 6 days
Weighted average discount rate, Operating Lease	8.58%	8.42%
Weighted average discount rate, Finance Lease	2.32%	2.32%