Note 8 - Income Taxes - Provisions for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (29,403)	$ (48,710)
Domestic Tax Jurisdiction [Member]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(29,161)	(48,791)
Foreign Tax Jurisdiction [Member]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (242)	$ 81