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	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue	$ 34,170	$ 35,447	$ 109,460	$ 106,097
Gross profit	19,741	23,023	67,314	69,124
Net loss	$ (41,071)	$ (25,390)	$ (106,258)	$ (77,092)