Note 1 - Organization and Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income (loss)	$ 113,930	$ (47,610)	$ (39,232)	$ (35,818)	$ (40,510)	$ (69,013)	$ 27,088	$ (145,341)
Basic (in shares)	142,871,227			135,327,035			141,571,785	134,839,207
Dilutive effect of potential common shares (in shares)	13,000,522						4,381,128
Weighted-average common shares outstanding assuming dilution (in shares)	155,871,749			135,327,035			145,952,913	134,839,207
Basic (in dollars per share)	$ 0.8			$ (0.26)			$ 0.19	$ (1.08)
Diluted (in dollars per share)	$ 0.73			$ (0.26)			$ 0.19	$ (1.08)