Note 8 - Interest Expense and Other (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Interest Expense and Other Nonoperating Expense [Table Text Block]

	Three months ended September 30,						Nine months ended September 30,
	2025			2024			2025			2024
Common stock purchase agreements costs	$	19		$	1,136		$	325		$	1,136
Debt issuance costs		—			—			2,020		$	—
Amortization of premiums (accretion of discounts) on marketable securities, net		(79	)		(149	)		(260	)		(590	)
Expected credit losses		—			1			2			35
Other		5			114			331			148
Interest expense and other	$	(55	)	$	1,102		$	2,418		$	729