Note 11 - Share Based Compensation and Employee Benefit Plans - Non-vested Options (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Non-vested balance (in shares)	3,600,568
Non-vested, weighted average grant date fair value (in dollars per share)	$ 7.35
Granted (in shares)	790,673
Weighted-average fair value of stock options granted (in dollars per share)	$ 11.82	$ 11.21	$ 9.85
Vested (in shares)	(1,049,321)
Vested, weighted average grant date fair value (in dollars per share)	$ 5.56
Forfeited (in shares)	(40,249)
Forfeited, weighted average grant date fair value (in dollars per share)	$ 9.93
Non-vested balance (in shares)	3,301,671	3,600,568
Non-vested, weighted average grant date fair value (in dollars per share)	$ 8.95	$ 7.35