Note 9 - Share-based Compensation - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total stock-based compensation	$ 1,313	$ 1,186	$ 3,915	$ 3,489
Cost of Sales [Member]
Total stock-based compensation	168	142	504	415
Selling and Marketing Expense [Member]
Total stock-based compensation	248	205	712	607
General and Administrative Expense [Member]
Total stock-based compensation	765	720	2,310	2,127
Research and Development Expense [Member]
Total stock-based compensation	$ 132	$ 119	$ 389	$ 340