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Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Available for Sale Securities (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Long-term investments	$ 85,260,777	$ 87,104,272
US Treasury Notes Securities [Member]
U.S. Treasury notes, Cost	13,753,341	47,162,564
U.S. Treasury notes, Gross Unrealized Gain (Loss)	45,625	(49,905)
U.S. Treasury notes, Fair Value	13,798,966	47,112,659
Special Purpose Entities [Member]
Long-term investments	62,853,598	64,697,093
Preferred Stock [Member]
Long-term investments	348,694	348,694
My Bundle TV Inc. [Member]
Long-term investments	3,000,000	3,000,000
Voting Common Stock of Privately Held Company CB&T Holding Corporation [Member]
Long-term investments	$ 19,058,485	$ 19,058,485

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