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Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Summarized Financial Data (Details) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Revenue $ 22,815,785 $ 16,292,947
Gross profit 14,870,738 10,673,909
Net loss (3,439,852) 16,368,771
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]    
Revenue 3,648,762 6,612,827
Gross profit 3,017,056 3,261,322
Loss from continuing operations (4,865,810) (5,134,293)
Net loss $ (5,985,768) $ (18,695,284)