Note 13 - Income Taxes - Schedule of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Federal	$ 0	$ 0	$ 0
State	363	77	124
Foreign	92	247	83
Current Income Tax Expense (Benefit), Total	455	324	207
Federal	0	0	0
State	0	0	0
Total provision	$ 455	$ 324	$ 207