Note 8 - OMIDRIA Royalty Obligation - Schedule of Royalty Obligation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Non-cash interest	$ 4,052	$ 7,916	$ 21,498	$ 23,781
Principal payments on OMIDRIA royalty obligation			(15,125)	$ (854)
Royalty Obligation [Member]
OMIDRIA royalty obligation			125,126
Additional proceeds			115,525
Non-cash interest			(1,553)
Principal payments on OMIDRIA royalty obligation			(15,125)
OMIDRIA royalty obligation	$ 223,973		$ 223,973