Note 15 - Share-based Compensation - Share-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total share-based compensation expense	$ 3,062	$ 2,144	$ 5,352	$ 4,616
Cost of Sales [Member]
Total share-based compensation expense	156	114	270	250
Research and Development Expense [Member]
Total share-based compensation expense	480	310	777	675
Selling and Marketing Expense [Member]
Total share-based compensation expense	291	186	486	412
General and Administrative Expense [Member]
Total share-based compensation expense	$ 2,135	$ 1,534	$ 3,819	$ 3,279