Note 13 - Net Income (Loss) Per Share - Anti-dilutive Securities (Details) - shares shares in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Potentially dilutive common shares (in shares)		0	50,865	3,589	48,792
Unvested Stock [Member]
Potentially dilutive common shares (in shares)	[1]	0	1,918	2,133	1,751
Convertible Preferred Stocks [Member]
Potentially dilutive common shares (in shares)	[2]	0	47,707	0	45,653
Common Stock Warrants [Member]
Potentially dilutive common shares (in shares)		0	1,240	1,456	1,388

[1] Includes the impact of unvested shares containing performance conditions to the extent that the underlying performance conditions are satisfied based on actual results as of the respective dates.

[2] On July 26, 2023, the Convertible Preferred Stock was converted into 59,542,066 shares of common stock.