Note 3 - Supplemental Balance Sheet Information - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property and equipment	$ 26,890	$ 24,002
Property and equipment	26,890	24,002
Less accumulated depreciation and amortization	(23,289)	(21,987)
Property and equipment, net	3,601	2,015
Equipment [Member]
Property and equipment	3,904	4,060
Property and equipment	3,904	4,060
Furniture and Fixtures [Member]
Property and equipment	1,027	591
Property and equipment	1,027	591
Leaseholds and Leasehold Improvements [Member]
Property and equipment	538	384
Property and equipment	538	384
Software Development [Member]
Property and equipment	21,329	18,967
Property and equipment	21,329	18,967
Software and Software Development Costs [Member]
Property and equipment	92	0
Property and equipment	$ 92	$ 0