Note 11 - Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Total stock-based compensation expense	$ 8,336	$ 14,594
Selling and Marketing Expense [Member]
Total stock-based compensation expense	2,439	5,014
Research and Development Expense [Member]
Total stock-based compensation expense	1,414	1,871
General and Administrative Expense [Member]
Total stock-based compensation expense	$ 4,483	$ 7,709