Note 1 - Basis of Presentation - Schedule of Basic and Dilutive Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Net (Loss) Income		$ (4,450)	$ 26,404
Weighted-average shares of common stock outstanding (in shares)		34,660,713	34,206,632
Effect of dilutive shares* (in shares)	[1]	0	837,450
Weighted-average diluted shares of common stock outstanding (in shares)		34,660,713	35,044,082
Basic (in dollars per share)		$ (0.13)	$ 0.77
Dilutive (in dollars per share)		$ (0.13)	$ 0.75

[1] During periods in which the Company incurs a net loss, diluted weighted average shares outstanding are equal to basic weighted average shares outstanding because the effect of all equity awards is anti-dilutive.