Note 7 - Credit Facility and Warrants (Tables)

6 Months Ended

Jun. 30, 2025

Notes Tables

Schedule of Debt [Table Text Block]

	June 30, 2025			December 31, 2024
MidCap Credit Facility	$	7,477		$	7,252
Less: deferred debt issuance costs		(145	)		(192	)
Less: discount associated with issuance of warrants		(84	)		(112	)
Total MidCap Credit Facility	$	7,248		$	6,948

Interest Income and Interest Expense Disclosure [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2025			2024			2025			2024
Interest expense	$	253		$	296		$	474		$	689
Interest income		(31	)		(68	)		(77	)		(137	)
Total interest expense, net	$	222		$	228		$	397		$	552