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Note 7 - Intangible Assets (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Amortization, Total $ 1,757,654 $ 1,137,736 $ 4,674,620 $ 3,508,445