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Note 18 - Subsequent Events (Details Textual) - USD ($)				3 Months Ended
	Jan. 26, 2021	Jan. 25, 2021	Jan. 20, 2021	Mar. 29, 2021	Dec. 31, 2020	Dec. 31, 2019
Equity Securities, FV-NI					$ 64,036,482	$ 55,907,927
Subsequent Event [Member]
Proceeds from Sale of Debt and Equity Securities, FV-NI, Held-for-investment				$ 34,600,000
Subsequent Event [Member] | Thomas Outdoors, LLC [Member]
Payments to Acquire Productive Assets, Total	$ 6,102,508
Subsequent Event [Member] | Dream Finders Homes, Inc. [Member]
Proceeds from Collection of Notes Receivable		$ 20,567,776
Subsequent Event [Member] | DFH Class A Common Stock [Member]
Equity Securities, FV-NI, Shares, Acquired from Conversion (in shares)			4,681,099
Equity Securities, FV-NI, Shares, Purchase (in shares)			120,000
Equity Securities, FV-NI, Shares, Purchase, Price Per Share (in dollars per share)			$ 13.00
Subsequent Event [Member] | DFH Class A Common Stock [Member] | Minimum [Member]
Equity Securities, FV-NI			$ 111,000,000
Dream Finders Homes, Inc. [Member] | IPO [Member] | Common Class A [Member] | Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)			9,600,000
Shares Issued, Price Per Share (in dollars per share)			$ 13.00

X

- Definition

The number of shares acquired from conversion of equity instrument.

+ References

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
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-Topic 230
-SubTopic 10
-Section 45
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