Note 8 - Earnings Per Share - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Net loss	$ (3,897)	$ (5,178)
Weighted average shares outstanding – basic (in shares)	25,695	18,216
Potential common shares – options / warrants (treasury stock method) (in shares)	0	0
Weighted average shares outstanding – diluted (in shares)	25,695	18,216
Shares excluded (anti-dilutive) (in shares)	21,739	8,406
Basic (in dollars per share)	$ (0.15)	$ (0.28)
Diluted (in dollars per share)	$ (0.15)	$ (0.28)