Note 9 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended	12 Months Ended
	Nov. 05, 2025	Sep. 30, 2025	Dec. 31, 2025	Dec. 31, 2024
Net loss			$ (29,327)	$ (48,697)
Deemed dividend	$ (100)	$ (600)	(769)	0
Net loss attributable to common stockholders			$ (30,096)	$ (48,697)
Basic and diluted (in shares)			20,605	12,367
Potential common shares – options / warrants (treasury stock method) (in shares)			0	0
Weighted average shares outstanding – diluted (in shares)			20,605	12,367
Shares excluded (anti-dilutive) (in shares)			10,675	3,175
Basic and diluted (in dollars per share)			$ (1.46)	$ (3.94)
Diluted (in dollars per share)			$ (1.46)	$ (3.94)