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Note 8 - Business Combinations - Purchase Price Allocation (Details) - Gray Matters [Member] - USD ($) |  | 12 Months Ended
--- | --- | ---
Dec. 10, 2021 | Dec. 31, 2022
Net cash consideration | $ 7,240,100 |
Buyer common stock | 1,500,000 |
Fair value of deferred consideration | 1,335,000 |
Total | 11,005,100 |
Contingent Consideration by Performance Metrics [Member] |  |
Fair value of deferred consideration | $ 930,000 | $ 930,000

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