Note 4 - Investments

6 Months Ended

Jun. 30, 2024

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  June 30, 2024 and  December 31, 2023 are as follows:

	June 30, 2024
					Cumulative
					Unrealized
	Fair Value		Basis		(Loss) Gain
Equity securities	$	18	$	34	$	(16	)
Total	$	18	$	34	$	(16	)

	December 31, 2023
					Cumulative
					Unrealized
	Fair Value		Basis		(Loss) Gain
Equity securities	$	22	$	34	$	(12	)
Total	$	22	$	34	$	(12	)

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 June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Interest on cash and cash equivalents	$	538	$	275	$	1,037	$	473
Net investment income	$	538	$	275	$	1,037	$	473

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 June 30,					Six Months Ended June 30,
	2024			2023		2024			2023
Marketable securities	$	(1	)	$	43	$	(4	)	$	388
Net (losses) gains	$	(1	)	$	43	$	(4	)	$	388