Investments (Tables)

9 Months Ended

Sep. 30, 2021

Investments

Schedule of cash, cash equivalents and investments

Cash, cash equivalents, restricted cash and investments consist of the following (in thousands):

	September 30, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash, cash equivalents & restricted cash:
Cash and money market accounts	$	24,555	$	—	$	—	$	24,555
Total cash, cash equivalents & restricted cash:	$	24,555	$	—	$	—	$	24,555
Investments:
Corporate bonds, agency bonds and commercial paper (due within 1 year)	$	79,076	$	28	$	(2)	$	79,102
Total investments	$	79,076	$	28	$	(2)	$	79,102
Total cash, cash equivalents, restricted cash and investments	$	103,631	$	28	$	(2)	$	103,657

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash, cash equivalents & restricted cash:
Cash and money market accounts	$	63,024	$	—	$	—	$	63,024
Corporate bonds, agency bonds and commercial paper (due within 90 days)		4,998	$	1	$	—	$	4,999
Total cash, cash equivalents & restricted cash:	$	68,022	$	1	$	—	$	68,023
Investments:
Corporate bonds and commercial paper (due within 1 year)	$	73,389	$	55	$	—	$	73,444
Corporate bonds and commercial paper (due between 1 and 5 years)		5,998		—		(3)		5,995
Total investments	$	79,387	$	55	$	(3)	$	79,439
Total cash, cash equivalents, restricted cash and investments	$	147,409	$	56	$	(3)	$	147,462