Note 4 - Investments

9 Months Ended

Sep. 30, 2026

Notes to Financial Statements

Investment in Debt and Equity Securities and Other Trading Assets [Text Block]

4. Investments

Marketable Securities

Details of marketable securities held as of  September 30, 2026 or  December 31, 2025 are as follows:

	September 30, 2026
					Cumulative
					Unrealized
	Fair Value		Basis		Gain
Equity securities	$	41	$	34	$	7
Total	$	41	$	34	$	7

	December 31, 2025
					Cumulative
					Unrealized
	Fair Value		Basis		Gain
Equity securities	$	36	$	34	$	2
Total	$	36	$	34	$	2

Other Securities Measured at Fair Value

The following table presents the fair value of securities based on our election of the fair value option:

	September 30, 2026					December 31, 2025
	Fair Value		% of Total			Fair Value		% of Total
Convertible promissory note	$	2,520		100	%	$	—		0	%
Total	$	2,520		100	%	$	—		0	%

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)

• Income earned on the Skyline Note

• 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,
	2026		2025		2026		2025
Interest on cash and cash equivalents	$	695	$	442	$	1,489	$	1,287
Interest on convertible promissory note		49		—		56		—
Net investment income	$	744	$	442	$	1,545	$	1,287

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 and the Skyline Note

• Changes in the fair value of investments in Marketable securities and the Skyline Note

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2026		2025		2026		2025
Marketable securities	$	—	$	5	$	5	$	13
Net gains (losses)	$	—	$	5	$	5	$	13