Note 13 - Stock-based Compensation - Assumptions (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Risk-free interest rate	4.60%
Dividend yield	0.00%	0.00%
Minimum [Member]
Risk-free interest rate		1.90%
Expected term (Year)	3 years 3 months	3 years 3 months
Expected volatility	33.50%	45.80%
Maximum [Member]
Risk-free interest rate		4.30%
Expected term (Year)	3 years 6 months	6 years
Expected volatility	36.70%	48.10%