Investments (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Investments

The following table summarizes the Company’s available-for-sale investments:

	As of December 31, 2022
	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Total Estimated Fair Value
(In thousands)
Corporate bonds	$	3,216	$	—	$	(24)	$	3,193
Commercial paper	582		—		—		582
Certificates of deposit	1,884		—		(9)		1,875
Total investments	$	5,682	$	—	$	(33)	$	5,650

	As of December 31, 2021
	Cost or Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Total Estimated Fair Value
(In thousands)
Corporate bonds	$	18,605	$	—	$	(28)	$	18,577
Certificates of deposit	17,099		—		(5)		17,095
U.S. government and agency securities	6,725		—		(9)		6,716
Total investments	$	42,429	$	—	$	(42)	$	42,388