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Note 6 - Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

		As of June 30, 2023				As of December 31, 2022
Marketable securities:
Amortized cost		$	41,713			$	87,411
Unrealized gains, net			273,113				510,321
Total fair value		$	314,826			$	597,732

Gain (Loss) on Securities [Table Text Block]

		Three Months Ended June 30,								Six Months Ended June 30,
		2023				2022				2023				2022
Gain/(loss) on marketable securities, net		$	14,561			$	(261,467	)		$	4,417			$	(139,703	)

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.

+ Details

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