Note 4 - Business Combination - Pro Forma Results (Details) - Evoke Neuroscience, Inc. [Member] - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Revenues	$ 1,641	$ 2,166
Net loss	$ (20,108)	$ (10,752)

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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