Note 4 - Investments

9 Months Ended

Sep. 30, 2025

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

4. Investments

Marketable Securities

Details of marketable securities held as of  September 30, 2025 or December 31, 2024 are as follows:

	September 30, 2025
					Cumulative
					Unrealized
	Fair Value		Basis		Loss
Equity securities	$	30	$	34	$	(4	)
Total	$	30	$	34	$	(4	)

	December 31, 2024
					Cumulative
					Unrealized
	Fair Value		Basis		Loss
Equity securities	$	17	$	34	$	(17	)
Total	$	17	$	34	$	(17	)

Net Investment Income

Net investment income represents income primarily from the following sources:

• Income earned from investments in money market funds (recorded in Cash and cash equivalents)

• Dividends received from Marketable securities

• Income from unconsolidated or equity method investments

The following table presents the components of Net investment income:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2025		2024		2025		2024
Interest on cash and cash equivalents	$	442	$	531	$	1,287	$	1,568
Net investment income	$	442	$	531	$	1,287	$	1,568

Net Gains (Losses)

Net gains and losses are determined by specific identification. The net realized gains and losses are generated primarily from the following sources:

• Realized gains and losses from investments in Marketable securities

• Changes in the fair value of investments in Marketable securities

The following table presents the components of Net gains (losses):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2025		2024			2025		2024
Marketable securities	$	5	$	(2	)	$	13	$	(6	)
Net gains (losses)	$	5	$	(2	)	$	13	$	(6	)