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Note D - Marketable Equity Securities (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Marketable Securities [Table Text Block]

		March 31, 2025				December 31, 2024
		(in thousands)
Fair market value		$	45,584			$	42,620
Cost			28,742				27,094
Unrealized gain		$	16,842			$	15,526

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

		March 31, 2025				December 31, 2024
		(in thousands)
Gross unrealized gains		$	18,717			$	17,215
Gross unrealized losses			1,875				1,689
Net unrealized gain		$	16,842			$	15,526

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

		Three Months Ended
		March 31, 2025				December 31, 2024
		(in thousands)
Sales Proceeds		$	1			$	-
Gross unrealized losses			4				-
Net unrealized gain		$	(3	)		$	-

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.

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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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- Definition

Tabular disclosure of unrealized gains and losses on investments.

+ References

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