Note 15 - Share-based Compensation - Share-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 share-based compensation expense	$ 3,235	$ 2,627	$ 8,587	$ 7,243
Cost of Sales [Member]
Total share-based compensation expense	123	121	393	371
Research and Development Expense [Member]
Total share-based compensation expense	358	343	1,135	1,019
Selling and Marketing Expense [Member]
Total share-based compensation expense	300	231	786	643
General and Administrative Expense [Member]
Total share-based compensation expense	$ 2,454	$ 1,932	$ 6,273	$ 5,210