Note 16 - License, Collaboration and Distribution Agreements - Total Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total sales, net	$ 3,045	$ 2,133	$ 5,674	$ 3,940
Transferred over Time [Member]
Total sales, net			1,270	573
Transferred at Point in Time [Member]
Total sales, net			$ 4,404	$ 3,367