Note 7 - Marketable Securities

3 Months Ended

Mar. 31, 2023

Notes to Financial Statements

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

7. 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:

	March 31, 2023
(In thousands)	Amortized Cost		Unrealized Gain		Unrealized Loss			Estimated Fair Value
Marketable securities
Corporate and municipal debt securities	$	4,976		79	$	(1	)	$	5,054

The Company had one marketable security in an unrealized loss position as of March 31, 2023 and the Company held no marketable securities as of March 31, 2022. The Company did not identify any marketable securities that were other-than-temporarily impaired as of March 31,2023 and 2022. The Company does not intend to sell any marketable securities that have an unrealized loss at March 31, 2023 and it is not more likely than not that the Company will be required to sell such securities before any anticipated recovery.

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

	March 31, 2023				December 31, 2022
(In thousands)	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due within one year	$	1,600	$	1,634	$	1,594	$	1,602
Due after one year through three years		3,376		3,420		3,356		3,371
Total	$	4,976	$	5,054	$	4,950	$	4,973