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Note 9 - Fair Value (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block]

						Quoted Prices				Realized Gains				Total Changes
		Total Carrying				in Active				and (Losses)				in Fair Values
		Amount in				Markets for				Included in				Included in
		Consolidated				Identical				Current Period				Current Period
		Balance Sheet				Assets				Period Earnings				Earnings (Loss)
Marketable equity securities, U.S. Treasury trading securities, and corporate bonds at December 31, 2021		$	158,162,401			$	158,162,401			$	44,610,838			$	48,613,962
Marketable equity securities, U.S. Treasury trading securities, and corporate bonds at December 31, 2020		$	102,824,427			$	102,824,427			$	5,701,048			$	(10,399,932	)

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- Definition

Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- References

No definition available.

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