Note 12 - Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Lease, Cost	$ 95	$ 74
Operating Lease, Liability	308	75
Operating Lease, Liability, Current	$ 73	$ 61
Operating Lease, Weighted Average Discount Rate, Percent	6.90%	7.60%
Operating Lease, Weighted Average Remaining Lease Term (Year)	5 years	1 year
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	5 years