Note 13 - Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ 0	$ 0
State	3	3
Foreign	258	64
Total Current	261	67
Deferred:
Federal	0	0
State	0	0
Foreign	0	0
Total Deferred	0	0
Provision for income taxes	$ 261	$ 67