Note 6 - Credit Facility, Term Loans and Warrants - Schedule of Debt (Details) - Midcap Credit Facility [Member] - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
MidCap Credit Facility	$ 14,707	$ 21,899
Less: deferred debt issuance costs	(285)	(459)
Less: discount associated with issuance of warrants	(240)	(387)
Total MidCap Credit Facility	$ 14,182	$ 21,053