Note 8 - Credit Facility and Warrants (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Schedule of Debt [Table Text Block]

	March 31, 2026			December 31, 2025
MidCap Credit Facility	$	2,676		$	4,449
Less: deferred debt issuance costs		(101	)		(134	)
Less: discount associated with issuance of warrants		(42	)		(56	)
Total MidCap Credit Facility	$	2,533		$	4,259

Interest Income and Interest Expense Disclosure [Table Text Block]

	Three Months Ended March 31,
	2026			2025
Interest expense	$	234		$	221
Interest income		(8	)		(46	)
Total interest expense, net	$	226		$	175