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Note 8 - Investments, Including Investments Accounted for Using the Equity Method (As Restated) - Reconciliation of the Company's Investments in Equity Affiliates (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Beginning of year $ 61,660,905 $ 20,913,896
Additional investments in unconsolidated affiliates 45,094,500 55,000,000
Distributions received (642,511) (2,251,766)
Reclassification of marketable securities to investment in affiliate 23,483 0
Reclassification of investment in affiliate to marketable securities 0 (12,880,146)
Transfer of interest (625,498) 0
Gain on retained interest of deconsolidated affiliate 10,010,090 0
Equity in (loss) income of unconsolidated affiliates (1,387,620) 878,921
End of year $ 114,133,349 $ 61,660,905