Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Compensation and benefits	$ 20,674	$ 11,030
Development costs	30,215	15,150
Royalties payable	4,426
Inventory	3,793	2,453
Professional fees	1,305	333
Duties and taxes	2,622	80
Other	3,678	4,894
Total accrued expenses	$ 72,670	$ 33,942