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Note 6 - Fair Value Measurements - Assets Measured at Fair Value on Nonrecurring Basis (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Impairment, Long-Lived Asset, Held-for-Use, Total |  | $ 3,762,915 | $ 0
Goodwill, Impairment Loss | $ 2,254,624 | 6,460,168 | 0
Fair Value, Nonrecurring [Member] |  |  |
Intangible assets |  | 3,649,193 | 0
Impairment of Right of Use Assets |  | 113,722 | 0
Impairment, Long-Lived Asset, Held-for-Use, Total |  | 3,762,915 | 0
Goodwill, Impairment Loss |  | 6,460,168 | 0
Total |  | $ 10,223,083 | $ 0

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