Note 11 - Equity Incentive Plans and Equity - Schedule Of Share Based Payment Award Stock Options Valuation Assumptions (Details) - Share-Based Payment Arrangement, Option [Member] - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted average exercise price of options granted (in dollars per share)	$ 64.05	$ 67.02	$ 155
Expected volatility	51.80%	52.50%	50.40%
Average expected terms in years (Year)	6 years 4 months 24 days	6 years 6 months
Risk-free interest rate	4.50%	3.80%
Expected dividend yield	0.00%	0.00%	0.00%
Minimum [Member]
Average expected terms in years (Year)			6 years 1 month 6 days
Risk-free interest rate			1.10%