Note 8 - Income (Loss) per Common Share - Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net Income (Loss)	$ 35,802	$ (84,217)	$ (37,348)
Preferred stock dividends	(552)	(552)	(552)
Net income (loss) applicable to common stockholders	$ 35,250	$ (84,769)	$ (37,900)
Basic weighted average common shares	620,848	605,668	557,344
Dilutive units	1,687	0	0
Diluted weighted average common shares	622,535	605,668	557,344
Basic income (loss) per common share	$ 0.06	$ (0.14)	$ (0.07)
Diluted income (loss) per common share	$ 0.06	$ (0.14)	$ (0.07)