Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		*December 31,*
		*2025*				*2024*
Development cost liability		$	26			$	152
Accrued interest on milestone liabilities			461				281
Payroll accruals			853				458
Accrued audit and legal			1,181				1,567
Accrued SEC settlement			—				2,500
Other			146				274
		$	2,667			$	5,232