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Note 4 - Business Combination (Details Textual) $ / shares in Units, $ in Thousands |  | 2 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2025 USD ($) Rate $ / shares shares | Jun. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Finite-Lived Intangible Asset, Useful Life (Year) |  | 7 years 1 month 2 days | 7 years 1 month 2 days | 4 years 9 months |
Goodwill |  | $ 5,175 | $ 5,175 | $ 0 | $ 0
Trade Names [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 2 years 9 months 29 days | 2 years 9 months 29 days |  |
Developed Technology Rights [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 8 years 9 months 29 days | 8 years 9 months 29 days |  |
Noncompete Agreements [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 5 years 9 months 29 days | 5 years 9 months 29 days |  |
Evoke Neuroscience, Inc. [Member] |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 3,000 |  |  |  |
Business Combination, Consideration Transferred, Equity Interest | $ 2,743 |  |  |  |
Business Combination, Price Per Share (in dollars per share) | $ / shares | $ 3.5 |  |  |  |
Business Combination, Contingent Consideration, Liability | $ 478 |  |  |  |
Business Combination, Contingent Consideration, Minimum Working Capital Threshold | 90 |  |  |  |
Post-Closing Operational Expense | 150 |  |  |  |
Business Combination, Consideration Transferred | $ 6,221 |  |  |  |
Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares (in shares) | shares | 857,142 |  |  |  |
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount | $ 500 |  |  |  |
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) |  |  | $ 3 |  |
Goodwill | $ 5,175 |  |  |  |
Business Combination, Acquiree's Revenue since Acquisition Date, Actual |  | $ 251 |  |  |
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual |  | $ (12) |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.036 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Discount Rate [Member] | Valuation Technique, Monte Carlo Pricing Model [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.035 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Assumed Income Tax Rate [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.265 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Assumed Income Tax Rate [Member] | Valuation Technique, Monte Carlo Pricing Model [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.265 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.024 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Measurement Input, Price Volatility [Member] | Valuation Technique, Monte Carlo Pricing Model [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input (Rate) | Rate | 0.016 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Trade Names [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 3 years |  |  |  |
Evoke Neuroscience, Inc. [Member] | Developed Technology Rights [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 9 years |  |  |  |
Evoke Neuroscience, Inc. [Member] | Noncompete Agreements [Member] |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 5 years |  |  |  |
Evoke Neuroscience, Inc. [Member] | Noncompete Agreements [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |
Finite-Lived Intangible Assets, Measurement Input (Rate) | Rate | 0.15 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Noncompete Agreements [Member] | Measurement Input, Royalty Rate [Member] |  |  |  |  |
Finite-Lived Intangible Assets, Measurement Input (Rate) | Rate | 0.035 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Noncompete Agreements [Member] | Measurement Input, Assumed Income Tax Rate [Member] |  |  |  |  |
Finite-Lived Intangible Assets, Measurement Input (Rate) | Rate | 0.265 |  |  |  |
Evoke Neuroscience, Inc. [Member] | Earn Out Shares [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Liability | $ 500 |  |  |  |
Business Combination, Contingent Consideration, Earnout Period (Month) | 36 months |  |  |  |

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