Note 5 - Intellectual Property, Net (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2025			2024
Intellectual property	$	1,794		$	1,794
Accumulated amortization		(1,718	)		(1,648	)
Intellectual property, net	$	76		$	146

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2026	$	51
2027		25
Total estimated future amortization	$	76