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Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Reconciliation of the Company's Investments in Equity Affiliates (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Beginning of year	$ 771,805	$ 568,713
Additional investments in unconsolidated affiliates	16,025,000	264,834
Distributions received	(1,433,480)	(541,108)
Unrealized gain on initial investment in affiliate	5,074,587	0
Sale of interest in affiliate	(309,375)	0
Equity in income of unconsolidated affiliates	5,187,159	479,366
End of year	$ 25,315,696	$ 771,805

X

- Definition

Amount of gain (loss) on remeasurement of an equity method investment.

+ References

No definition available.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The increase (decrease) during the reporting period in receivables to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.

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Amount of investment in equity method investee and investment in and advance to affiliate.

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The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity).

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The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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