Note 16 - Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current tax (benefit) provision:
Federal	$ 0	$ 0
Foreign	(542)	1,619
Total current tax (benefit) provision	(542)	1,619
Deferred tax benefit:
Federal	0	0
Foreign	(165)	(438)
Total deferred tax benefit	(165)	(438)
Total (benefit) provision for income taxes	$ (707)	$ 1,181