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Note 8 - Investments, Including Investments Accounted for Using the Equity Method (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Investment [Table Text Block]

		March 31,				December 31,
		2023				2022
U.S. Treasury notes held to maturity		$	7,953,124			$	4,757,224
Common stock warrants of Sky Harbour Group Corporation			3,782,692				1,531,604
Total		$	11,735,816			$	6,288,828

		March 31,				December 31,
		2023				2022
U.S. Treasury securities held to maturity		$	6,729,457			$	6,729,457
Preferred stock			348,694				348,694
Voting common stock of CB&T Holding Corporation			19,058,485				19,058,485
Total		$	26,136,636			$	26,136,636

Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]

						Gross
						Unrealized				Fair
		Cost				Gain (Loss)				Value
Marketable equity securities, March 31, 2023		$	8,967,897			$	(513,891	)		$	8,454,006
Marketable equity securities, December 31, 2022		$	9,665,100			$	(896,162	)		$	8,768,938

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

						Gross
						Unrealized				Fair
		Cost				Gain (Loss)				Value
U.S. Treasury trading securities, March 31, 2023		$	57,750,386			$	(62,441	)		$	57,687,945
U.S. Treasury trading securities, December 31, 2022		$	33,888,165			$	(367,764	)		$	33,520,401

Investments in and Advances to Affiliates [Table Text Block]

		March 31,				December 31,
		2023				2022
Beginning of year		$	114,133,349			$	61,660,905
Additional investments in unconsolidated affiliates			-				45,094,500
Distributions received			-				(642,511	)
Reclassification of marketable securities to investment in affiliate			-				23,483
Transfer of interest			-				(625,498	)
Gain on retained interest of deconsolidated affiliate			-				10,010,090
Equity in loss of unconsolidated affiliates			(4,980,078	)			(1,387,620	)
End of period		$	109,153,271			$	114,133,349

Equity Method Investments [Table Text Block]

		For the Three Months Ended
		March 31,
		2023				2022
Revenue		$	3,648,762			$	6,612,827
Gross profit			3,017,056				3,261,322
Loss from continuing operations			(4,865,810	)			(5,134,293	)
Net loss			(5,985,768	)			(18,695,284	)

X

- Definition

Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481687/323-10-50-3

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org//320/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Topic 321
-Publisher FASB
-URI https://asc.fasb.org//321/tableOfContent

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
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-Publisher FASB
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- Definition

Tabular disclosure of investments in and advances to affiliates. Does not include the tabular disclosure of the disaggregation of investments in and advances to affiliates across legal entities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 320
-Name Accounting Standards Codification
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480032/946-320-S99-6

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Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

No definition available.

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