Investments (Tables)

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-Sale Marketable Securities

The Company’s portfolio of available-for-sale marketable securities consists of the following:

	September 30, 2023
	Amortized Cost		Gross unrealized				Estimated Fair Value
(In thousands)			Gains		Losses
Available-for-sale securities, current portion
U.S. government securities	$	5,030	$	-	$	2	$	5,028
Corporate debt securities	15,901		1		4		15,898
Other debt securities	868		-		-		868
Total short-term	21,799		1		6		21,794
Available-for-sale securities, long-term
Other debt securities	1,158		2		4		1,156
Total marketable securities	$	22,957	$	3	$	10	$	22,950

	December 31, 2022
	Amortized Cost		Gross unrealized				Estimated Fair Value
(In thousands)			Gains		Losses
Available-for-sale securities, current portion
U.S. government securities	$	15,087	$	1	$	37	$	15,051
Corporate debt securities	26,057		6		16		26,047
Other debt securities	2,169		-		7		2,162
Total short-term	43,313		7		60		43,260
Available-for-sale securities, long-term
Other debt securities	1,329		3		-		1,332
Total marketable securities	$	44,642	$	10	$	60	$	44,592

	September 30, 2023
(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	21,799	$	21,794
Due after one year through five years	1,158		1,156
Total	$	22,957	$	22,950