Note 13 - Income Taxes - Components of Income Tax Provisions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Federal	$ 0	$ 0
State	73	101
Foreign	213	69
Total current income tax expense	286	170
Federal	0	(270)
State	0	(35)
Foreign	(1,153)	(241)
Total deferred income tax (benefit)	(1,153)	(546)
Total income tax (benefit)	$ (867)	$ (376)