Note 2 - Ownership Interests and Advances - Schedule of Results of Operations (Details) - Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue	$ 144,771	$ 140,670
Gross profit	88,666	90,388
Net loss	$ (152,936)	$ (106,363)