Note 8 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Net loss	$ (4,535)	$ (6,369)	$ (24,774)	$ (44,306)
Deemed dividend	(635)	0	(635)	0
Net loss attributable to common stockholders for basic and diluted loss per share	$ (5,170)	$ (6,369)	$ (25,409)	$ (44,306)
Weighted average shares outstanding – basic (in shares)	20,977	11,832	19,547	10,626
Potential common shares – options / warrants (treasury stock method) (in shares)	0	0	0	0
Weighted average shares outstanding – diluted (in shares)	20,977	11,832	19,547	10,626
Shares excluded (anti-dilutive) (in shares)	9,813	2,474	8,997	1,468
Basic (in dollars per share)	$ (0.25)	$ (0.54)	$ (1.3)	$ (4.17)
Diluted (in dollars per share)	$ (0.25)	$ (0.54)	$ (1.3)	$ (4.17)