Note 3 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands	Dec. 31, 2025 USD ($)	Apr. 30, 2025 USD ($) Rate
Finite-Lived Intangible Asset, Useful Life (Year)	6 years 11 months 4 days
Medical Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	4 years
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	5 years
Evoke Neuroscience, Inc. [Member]
Business Combination, Contingent Consideration, Liability		$ 478
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount		$ 500
Evoke Neuroscience, Inc. [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input \| Rate		0.036
Evoke Neuroscience, Inc. [Member] \| Earn Out Liability [Member]
Business Combination, Contingent Consideration, Liability	$ 477
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	500
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Threshold Amount	$ 250
Business Combination, Contingent Consideration, Earnout Period (Year)	36 years
Evoke Neuroscience, Inc. [Member] \| Earn Out Liability [Member] \| Standard Deviation of Forecast Revenue [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.067
Evoke Neuroscience, Inc. [Member] \| Earn Out Liability [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.037
Evoke Neuroscience, Inc. [Member] \| Earn Out Liability [Member] \| Measurement Input, Risk Free Interest Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.034

The earnout period.

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- Definition

Represents the threshold value to trigger maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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No definition available.

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Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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Value of input used to measure liability in contingent consideration arrangement in business combination.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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