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Note 6 - Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

		As of September 30, 2023				As of December 31, 2022
Marketable securities:
Amortized cost		$	40,797			$	87,411
Unrealized gains, net			286,338				510,321
Total fair value		$	327,135			$	597,732

Gain (Loss) on Securities [Table Text Block]

		Three Months Ended September 30,								Nine Months Ended September 30,
		2023				2022				2023				2022
Gain/(loss) on marketable securities, net		$	13,225			$	(75,491	)		$	17,642			$	(215,194	)

X

- Definition

Tabular disclosure of realized and unrealized gain (loss) on investment in security.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2

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X

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

No definition available.

+ Details

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X

- References

No definition available.

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