Note 14 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Federal	$ 0	$ 0
State	251	48
Total current provision	251	48
Federal	(1,758)	(2,102)
State	(209)	(460)
Total deferred provision	(1,967)	(2,562)
Increase in deferred tax valuation allowance	1,957	2,549
Total provision for income taxes	$ 241	$ 35