Note 11 - Equity Incentive Plans and Equity - Stock Options Activity (Details) - Service Period Stock Options [Member] $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Balance (in shares) | shares	1,291
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 51.63
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | shares	19
Granted, weighted average exercise price (in dollars per share) | $ / shares	$ 57.79
Exercised (in shares) | shares	(111)
Exercised, weighted average exercise price (in dollars per share) | $ / shares	$ 69.77
Forfeited (in shares) | shares	(36)
Forfeited, weighted average exercise price (in dollars per share) | $ / shares	$ 139.17
Balance (in shares) | shares	1,163
Balance, weighted average exercise price (in dollars per share) | $ / shares	$ 47.3
Balance, average remaining contractual term (Year)	4 years 4 months 24 days
Balance, aggregate intrinsic value | $	$ 58,718
Exercisable (in shares) | shares	1,016
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 40.25
Exercisable, average remaining contractual term (Year)	2 years 6 months
Exercisable, aggregate intrinsic value | $	$ 57,641