Note 6 - Credit Facility, Term Loans and Warrants - Schedule of Interest Expense, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Interest expense	$ 393	$ 596
Interest income	(70)	(225)
Total interest expense, net	$ 323	$ 371

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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