Note 9 - Goodwill and Other Assets - Summary of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment in TEL	$ 66,327	$ 54,727
Other long-term receivables	4,664	1,260
Other assets, net	7,076	2,856
Total other assets, net	$ 78,067	$ 58,843