Note 11 - Leases - Schedule of Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Operating lease cost	$ 134	$ 136	$ 406	$ 406
Variable lease cost	34	33	100	100
Total lease cost	$ 168	$ 169	$ 506	$ 506
Weighted average remaining lease term (in years) (Year)	1 year 8 months 23 days		1 year 8 months 23 days
Weighted average discount rate	5.50%		5.50%