Investments (Tables)

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Schedule of fair value of securities, not including cash

The following tables summarize the gross unrealized gains and losses of the Company’s marketable securities:

	September 30, 2023
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	8,612	$	—	$	(4)	$	—	$	8,608
Corporate notes	38,036		—		(367)		—		37,669
U.S. government agency bonds	18,914		—		(90)		—		18,824
	$	65,562	$	—	$	(461)	$	—	$	65,101
Classified as:
Short-term investments									$	44,870
Long-term investments									20,231
									$	65,101

	December 31, 2022
			Gross Unrealized						Estimated Fair Value
(In thousands)	Amortized Cost		Gains		Losses		Credit Losses
Commercial paper	$	15,707	$	—	$	(101)	$	—	$	15,606
Corporate notes	52,159		—		(831)		—		51,328
U.S. government agency bonds	21,545		—		(46)		—		21,499
	$	89,411	$	—	$	(978)	$	—	$	88,433
Classified as:
Short-term investments									$	68,471
Long-term investments									19,962
									$	88,433