Note 12 - Stock-based Compensation - Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Stock-based Compensation	$ 200
The 2006, 2016 and 2021 [Member]
Stock-based Compensation	8,274	$ 3,289
Cost of Sales [Member] | The 2006, 2016 and 2021 [Member]
Stock-based Compensation	578	90
Selling and Marketing Expense [Member] | The 2006, 2016 and 2021 [Member]
Stock-based Compensation	2,462	1,111
General and Administrative Expense [Member] | The 2006, 2016 and 2021 [Member]
Stock-based Compensation	4,484	1,991
Research and Development Expense [Member] | The 2006, 2016 and 2021 [Member]
Stock-based Compensation	$ 750	$ 97