Note 8 - Marketable Securities

6 Months Ended

Jun. 30, 2025

Notes to Financial Statements

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

8. MARKETABLE SECURITIES

The amortized cost, unrealized gain (loss), and estimated fair value of the Company's investments in securities available for sale consisted of the following:

	June 30, 2025
(In thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss		Estimated Fair Value
Marketable securities
Corporate, municipal debt and treasury securities	$	5,435	$	207	$	−	$	5,642

The Company had no marketable securities in an unrealized loss position as of June 30, 2025. The Company did not identify any marketable securities that were other-than-temporarily impaired as of June 30, 2025 and 2024. The Company does not intend to sell any marketable securities that have an unrealized loss as of June 30, 2025, and it is not more likely than not that the Company will be required to sell such securities before any anticipated recovery or maturity of such security. We recognized investment income of $20,000 and $35,000 for the three months ended June 30, 2025 and 2024, respectively, and $$101,000 and $74,000 for the six months ended June 30, 2025 and 2024, respectively, included in investment loss on the Consolidated Statement of Operations.

The following table summarizes the stated maturities of the Company’s marketable securities:

	June 30, 2025				December 31, 2024
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	1,911	$	2,013	$	1,565	$	1,630
Due after one year through four years		3,524		3,629		3,689		3,780
Total	$	5,435	$	5,642	$	5,254	$	5,410