Note 6 - Credit Facility, Term Loans and Warrants - Schedule of Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest expense	$ 487	$ 904	$ 1,623	$ 2,043
Interest income	(128)	0	(547)	0
Total interest expense, net	$ 359	$ 904	$ 1,076	$ 2,043