Note 1 - Organization and Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net income (loss)	$ 12,672	$ (198,335)	$ (348,101)
Basic (in shares)	141,955,112	135,411,258	132,222,753
Dilutive effect of potential common shares (in shares)	6,553,353		0
Weighted-average common shares outstanding assuming dilution (in shares)	148,508,465	135,411,258	132,222,753
Basic (in dollars per share)	$ 0.09	$ (1.46)	$ (2.63)
Diluted (in dollars per share)	$ 0.09	$ (1.46)	$ (2.63)