Investments

3 Months Ended

Mar. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Investments

Investments

Cash, cash equivalents and investments as of March 31, 2022 included the following:

			GROSS		GROSS
	AMORTIZED		UNREALIZED		UNREALIZED		FAIR
(in thousands)	COST		GAINS		LOSSES		VALUE
Cash and cash equivalents:
Cash and cash equivalents	$	56,441	$	—	$	—	$	56,441
Total cash and cash equivalents	$	56,441	$	—	$	—	$	56,441
Investments:
Certificates of deposit (due within 1 year)	$	9,044	$	—	$	(14)	$	9,030
Commercial paper (due within 1 year)	54,456		—		(186)		54,270
Corporate bonds (due within 1 year)	41,747		—		(178)		41,569
Corporate bonds (due within 2 years)	4,020		—		(35)		3,985
U.S. Government and government agencies (due within 1 year)	33,955		—		(17)		33,938
Total investments	$	143,222	$	—	$	(430)	$	142,792
Total cash, cash equivalents and investments	$	199,663	$	—	$	(430)	$	199,233

Cash, cash equivalents and investments as of December 31, 2021 included the following:

			GROSS		GROSS
	AMORTIZED		UNREALIZED		UNREALIZED		FAIR
(in thousands)	COST		GAINS		LOSSES		VALUE
Cash and cash equivalents:
Cash and cash equivalents	$	37,187	$	—	$	—	$	37,187
Total cash and cash equivalents	$	37,187	$	—	$	—	$	37,187
Investments:
Certificates of deposit (due within 1 year)	$	9,047	$	—	$	(9)	$	9,038
Commercial paper (due within 1 year)	50,975		—		(55)		50,920
Corporate bonds (due within 1 year)	42,718		—		(62)		42,656
Total investments	$	102,740	$	—	$	(126)	$	102,614
Total cash, cash equivalents and investments	$	139,927	$	—	$	(126)	$	139,801

Interest income earned on the Company’s cash, cash equivalents and investments was $0.1 million in each of the three months ended March 31, 2022 and 2021, respectively. Realized gains or losses were immaterial during the three months ended March 31, 2022 and 2021.

As of March 31, 2022 and December 31, 2021, the Company did not hold any equity securities.