Note 6 - Fair Value Measurements (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
	Apr. 02, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Amended Warrants Reclassified to Stockholders' Equity	$ 7,766,000			$ 7,766,000	$ 0
Fair Value Adjustment of Warrants		$ (5,000)	$ (0)	(8,511,000)	$ (0)
Estimate of Fair Value Measurement [Member]
Derivative Liability		$ 123,000		$ 123,000		$ 16,400,000