Note 9 - Credit Facility, Term Loans and Warrants (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Debt [Table Text Block]

	December 31, 2022			December 31, 2023
MidCap Credit Facility	$	21,899		$	11,515
Less: deferred debt issuance costs		(459	)		(226	)
Less: discount associated with issuance of warrants		(387	)		(191	)
Total MidCap Credit Facility	$	21,053		$	11,098

Interest Income and Interest Expense Disclosure [Table Text Block]

	Year Ended December 31,
	2022			2023
Interest expense	$	2,696		$	2,125
Interest income		(93	)		(704	)
Total interest expense, net	$	2,603		$	1,421