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Note D - Marketable Equity Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

		September 30, 2023				December 31, 2022
		(in thousands)
Fair market value		$	41,250			$	41,728
Cost			30,294				30,350
Unrealized gain		$	10,956			$	11,378

Unrealized Gain (Loss) on Investments [Table Text Block]

		September 30, 2023				December 31, 2022
		(in thousands)
Gross unrealized gains		$	13,803			$	13,478
Gross unrealized losses			2,847				2,100
Net unrealized gain		$	10,956			$	11,378

Schedule of Realized Gain (Loss) [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2023				2022				2023				2022
		(in thousands)
Sales proceeds		$	343			$	-			$	343			$	-
Cost of securities sold			255				-				255				-
Realized gain		$	88			$	-			$	88			$	-

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

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- Definition

Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-9

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Tabular disclosure of unrealized gains and losses on investments.

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