Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2012
Unrecognized Tax Benefits	$ 0
Operating Loss Carryforwards	$ 31,156	$ 32,245	$ 28,640	$ 16,300
Operating Loss Carryforwards, Estimate of Annual Use Limitation				600
Operating Loss Carryforwards, Estimate of Expiring Unused				$ 6,700