Note 4 - Business Combination - Pro Forma Results (Details) - Evoke Neuroscience, Inc. [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues	$ 514	$ 408	$ 999	$ 856
Net loss	$ (1,984)	$ (1,857)	$ (3,988)	$ (15,019)

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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