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Note 2 - Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

						December 31, 2022								December 31, 2021
Financial Assets:		Level				Carrying Value				Fair Value				Carrying Value				Fair Value
Cash and cash equivalents			2			$	7,148,207			$	7,148,207			$	7,409,873			$	7,409,873
Certificates of deposit			2				1,004,603				999,919				-				-
Equity investment in mutual funds			1				-				-				504,606				502,832
Total						$	8,152,810			$	8,148,126			$	7,914,479			$	7,912,705

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611

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 (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration