Note 7 - Credit Facility and Warrants - Schedule of Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest expense	$ 275	$ 272	$ 749	$ 961
Interest income	(16)	(83)	(93)	(220)
Total interest expense, net	$ 259	$ 189	$ 656	$ 741