Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale and Equity Securities

The following tables show the Company’s available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category as of September 30, 2022 and December 31, 2021, respectively:

	September 30, 2022
Marketable Securities:	Adjusted Cost		Unrealized Gains		Unrealized Losses		Fair Value
Mutual and money market funds	$	32,922	$	220	$	(1,661)	$	31,481
Corporate bonds	9,885		—		(707)		9,178
Government securities - U.S.	3,827		—		(369)		3,458
Other fixed-income securities	1,691		—		(48)		1,643
Total	$	48,325	$	220	$	(2,785)	$	45,760

	December 31, 2021
Marketable Securities:	Adjusted Cost		Unrealized Gains		Unrealized Losses		Fair Value
Mutual and money market funds	$	78,331	$	813	$	(1,046)	$	78,098
Corporate bonds	16,478		94		(93)		16,479
Government securities - U.S.	9,530		39		(98)		9,471
Other fixed-income securities	2,473		2		(10)		2,465
Total	$	106,812	$	948	$	(1,247)	$	106,513

Schedule of Contractual Maturity Dates

The following table summarizes the estimated fair value of the Company’s investments in marketable debt securities, accounted for as available-for-sale debt securities and classified by the contractual maturity date of the securities as of September 30, 2022:

	Maturities
Marketable Debt Securities:	Less than 1 Year		1-5 Years		5-10 Years		Greater than 10 Years		Total
Corporate bonds	$	1,602	$	7,576	$	—	$	—	$	9,178
Government securities - U.S.	—		1,992		600		866		3,458
Other fixed-income securities	—		1,451		192		—		1,643
Total	$	1,602	$	11,019	$	792	$	866	$	14,279

Schedule of Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value

The following table shows the gross unrealized losses and fair value of the Company’s available-for-sale debt securities at September 30, 2022. The unrealized losses in the table below are driven by factors other than credit risk. The Company does not intend to sell the investments and it is not more likely than not that it will be required to sell the investments before recovery of their amortized cost bases.

	Less than 12 months				Greater than 12 months				Total
Marketable Debt Securities:	Fair value		Unrealized Losses		Fair value		Unrealized Losses		Fair value		Unrealized Losses
Corporate bonds	$	6,264	$	440	$	2,914	$	267	$	9,178	$	707
Government securities - U.S.	1,042		63		2,416		306		3,458		369
Other fixed-income securities	1,065		17		578		31		1,643		48
Total	$	8,371	$	520	$	5,908	$	604	$	14,279	$	1,124