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Note 9 - Investments, Including Investments Accounted for Using the Equity Method (As Restated) - Schedule of Investments (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Short-term Investments $ 7,050,675 $ 6,547,171
Long-term investments 19,448,519 42,638,240
US Treasury Securities [Member]    
Long-term investments 286,015 1,094,983
Certificates of Deposit [Member]    
Short-term Investments 1,035,827 987,599
Long-term investments 0 380,753
Preferred Stock [Member]    
Long-term investments 104,019 104,019
Corporate Bond Securities [Member]    
Short-term Investments 1,020,000 910,000
Non-voting Preferred Units of DFH LLC [Member]    
Long-term investments 0 12,000,000
U.S. Treasury Notes and Corporate Bonds [Member]    
Short-term Investments 4,994,848 4,649,572
Non-voting Common Units of Dream Finders Holdings, LLC [Member]    
Long-term investments 0 10,000,000
Voting Common Stock of Privately Held Company CB&T Holding Corporation [Member]    
Long-term investments $ 19,058,485 $ 19,058,485