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Note 4 - Marketable Equity Securities (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Marketable Securities [Table Text Block]

		2022				2021
		(in thousands)
Available-for-sale securities:
Fair market value		$	41,728			$	39,424
Cost			30,350				29,385
Unrealized gain		$	11,378			$	10,039

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

		2022				2021
		(in thousands)
Available-for-sale securities:
Gross unrealized gains		$	13,478			$	12,458
Gross unrealized losses			2,100				2,419
Net unrealized gains		$	11,378			$	10,039

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

		2022				2021				2020
		(in thousands)
Realized (losses) gains:
Sale proceeds		$	-			$	3,109			$	2,039
Cost of securities sold			-				3,199				2,216
Realized (losses) / gains		$	-			$	(90	)		$	(177	)

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27357-111563

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Tabular disclosure of unrealized gains and losses on investments.

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