Investments (Tables)

6 Months Ended

Jun. 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:

	June 30, 2023
	Amortized Cost		Gross unrealized				Estimated Fair Value
(In thousands)			Gains		Losses
Available-for-sale securities, current portion
U.S. government securities	$	5,911	$	1	$	3	$	5,909
Corporate debt securities	18,346		1		9		18,338
Other debt securities	611		-		-		611
Total short-term	24,868		2		12		24,858
Available-for-sale securities, long-term
Other debt securities	1,839		5		5		1,839
Total marketable securities	$	26,707	$	7	$	17	$	26,697

	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

	June 30, 2023
(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	24,868	$	24,858
Due after one year through five years	1,839		1,839
Total	$	26,707	$	26,697