Note 11 - Share Based Compensation and Employee Benefit Plans - Stock Option (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares
Balance (in shares) | shares	3,804,976
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 26.31
Granted (in shares) | shares	511,900
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 53.04
Exercised (in shares) | shares	(376,860)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 21.31
Forfeited (in shares) | shares	(24,750)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 39.20
Balance (in shares) | shares	3,915,266
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 30.20
Balance, weighted average remaining contractual life (Year)	6 years
Aggregate intrinsic value | $	$ 86,815,673
Expected to vest (in shares) | shares	2,375,412
Expected to vest, weighted average exercise price (in dollars per share) | $ / shares	$ 35.73
Expected to vest, weighted average remaining contractual life (Year)	7 years 4 months 24 days
Expected to vest, aggregate intrinsic value | $	$ 39,675,140
Vested and exercisable (in shares) | shares	1,514,871
Vested and exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 21.24
Vested and exercisable, weighted average remaining contractual life (Year)	3 years 9 months 18 days
Vested and exercisable, aggregate intrinsic value | $	$ 47,018,146