Note 9 - Leases - Supplemental Cash Flow and Other Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating cash flows from operating leases	$ 630	$ 693	$ 684
Operating cash flows from finance leases	0	1	4
Financing cash flows from finance leases	9	21	290
ROU assets obtained in exchange for operating lease liabilities	$ 0	$ 0	$ 1,971