Note 7 - Credit Facility, Term Loans and Warrants (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Schedule of Debt [Table Text Block]

	December 31, 2023			June 30, 2024
MidCap Credit Facility	$	11,515		$	9,970
Less: deferred debt issuance costs		(226	)		(240	)
Less: discount associated with issuance of warrants		(191	)		(140	)
Total MidCap Credit Facility	$	11,098		$	9,590

Interest Income and Interest Expense Disclosure [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2023			2024			2023			2024
Interest expense	$	540		$	296		$	1,136		$	689
Interest income		(194	)		(68	)		(419	)		(137	)
Total interest expense, net	$	346		$	228		$	717		$	552