Cash, Cash Equivalents and Available for Sale Securities (Tables)

9 Months Ended

Sep. 30, 2022

Cash, Cash Equivalents, and Short-Term Investments [Abstract]

Schedule of for sale securities

Available for sale securities, including carrying value and estimated fair values, are summarized as follows:

	As of September 30, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	48,001	$	—	$	(183)	$	47,818
Corporate debt securities	100,383		—		(172)		100,211
Asset-backed securities	14,472		1		(37)		14,436
Supranational securities	4,974		—		(4)		4,970
Total	$	167,830	$	1	$	(396)	$	167,435

	As of December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. Treasury securities	$	18,201	$	—	$	(16)	$	18,185
Corporate debt securities	82,138		—		(57)		82,081
Asset-backed securities	16,009		—		(14)		15,995
Supranational securities	4,044		—		(3)		4,041
Total	$	120,392	$	—	$	(90)	$	120,302

Schedule of changes in accumulated other comprehensive income

The changes in accumulated other comprehensive income associated with the unrealized gain on available for sale securities during the three months ended September 30, 2022 and 2021, respectively, were as follows:

	Three months ended September 30,				Nine Months Ended September 30, 2022
	2022		2021		2022		2021
Beginning balance	$	(528)	$	3	$	(90)	$	3
Current period changes in fair value before reclassifications, net of tax	133		(14)		(305)		(14)
Amounts reclassified from accumulated other comprehensive income, net of tax	—		—		—		—
Total other comprehensive loss	$	133	$	(14)	(305)		(14)
Ending balance	$	(395)	$	(11)	$	(395)	$	(11)