Note 5 - Acquisitions and Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Equity method investments	$ (0)	$ 103
Equity method investments, underlying value	2,942	4,120
Variable interest entity, equity method	796	800
Variable interest entity, equity method	420	1,370
Equity method investments - FV option	9,786	21,120
Equity securities	116	648
Equity securities with no readily determinable fair value	5,382	5,381
Warrants and options	2	28
Total carrying value of investments	$ 16,082	$ 28,080