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Note 9 - Investments, Including Investments Accounted for Using the Equity Method (As Restated) - Summarized Financial Data (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenue $ 45,743,463 $ 41,389,138
Gross profit 27,234,805 23,777,771
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total (2,428,252) (1,481,265)
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]    
Revenue 1,147,735,494 19,374,109
Gross profit 176,953,564 6,731,623
Income from continuing operations 82,992,830 1,806,620
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total $ 86,847,498 $ 1,859,438