Note 7 - Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Advisory costs	$ 82	$ 325
Audit services	69	70
Payroll	70	79
Other liabilities	0	1
Total expenses	$ 221	$ 475