Note 12 - Income Taxes - Reconciliation of Valuation Allowances (Details) - SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Balance	$ 35,008	$ 20,321	$ 19,520
Addition	3,591,638	15,405	1,743
Reduction	(2,079)	(718)	(942)
Balance	$ 3,624,567	$ 35,008	$ 20,321