Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Earnings Per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income (loss) available to common stockholders		$ 180,656	$ 97,185	$ (21,749)
Weighted average outstanding shares of common stock, basic (in shares)		52,452	51,591	44,132
Dilutive effect of options, warrants and stock awards (in shares)		619	1,346	0
Weighted average common stock and equivalents (in shares)		53,071	52,937	44,132
Basic income (loss) per common share (in dollars per share)		$ 3.44	$ 1.88	$ (0.49)
Diluted income (loss) per common share (in dollars per share)		$ 3.4	$ 1.84	$ (0.49)
Incremental "in-the-money" options, warrants, and restricted stock units outstanding at the end of the period (in shares)	[1]	856	1,674	1,863

[1] For years ended December 31, 2023, 2022 and 2021 we also had 861, 5,923 and 5,923 shares respectively, of “out-of- the-money” warrants outstanding at the end of each period.