Note 7 - Accrued Expenses - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts Payable and Accrued Liabilities [Abstract]
Development costs	$ 30,360	$ 30,215
Compensation and benefits	22,125	20,674
Revenue-related reserves for discounts and allowances	14,332	5,957
Royalties payable	7,700	4,426
Inventory	4,193	3,793
Professional fees	1,128	1,305
Duties and taxes	410	2,622
Other	7,317	3,678
Total accrued expenses	$ 87,565	$ 72,670