Cash Equivalents and Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2022

Investments Debt And Equity Securities [Abstract]

Schedule of Estimated Fair Value of Cash Equivalents and Marketable Securities

The following tables summarize the estimated fair value of the Company’s cash equivalents and marketable securities and the gross unrealized gains and losses (in thousands):

	September 30, 2022
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Cash equivalents:
Money market funds	$	13,554	$	—	$	—		$	13,554
U.S. government securities		6,974		—		—			6,974
Commercial paper		5,492		—		—			5,492
Total cash equivalents		26,020		—		—			26,020
Marketable securities:
Commercial paper		29,809		—		(95	)		29,714
Corporate bonds		3,993		—		(19	)		3,974
U.S. treasury securities		1,001		—		(2	)		999
Total marketable securities	$	34,803	$	—	$	(116	)	$	34,687

	December 31, 2021
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Cash equivalents:
Money market funds	$	8,888	$	—	$	—		$	8,888
Commercial paper		—		—		—			—
Total cash equivalents		8,888		—		—			8,888
Marketable securities:
Commercial paper		65,443		3		(34	)		65,412
Corporate bonds		12,581		—		(7	)		12,574
Total marketable securities	$	78,024	$	3	$	(41	)	$	77,986

Schedule of Gross Unrealized Losses and Fair Value by Investment Category and Age

The following table summarizes the available-for-sale securities in an unrealized loss position for which an allowance for credit losses has not been recorded as of September 30, 2022 and December 31, 2021, aggregated by major security type and length of time in a continuous unrealized loss position:

	September 30, 2022
	Less Than 12 Months					12 Months or Longer				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Commercial paper	$	30,960	$	(95	)	$	—	$	—	$	30,960	$	(95	)
Corporate bonds		3,974		(19	)		—		—		3,974		(19	)
U.S. treasury securities		999		(2	)		—		—		999		(2	)
Total marketable securities	$	35,933	$	(116	)	$	—	$	—	$	35,933	$	(116	)

	December 31, 2021
	Less Than 12 Months					12 Months or Longer				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Commercial paper	$	47,425	$	(34	)	$	—	$	—	$	47,425	$	(34	)
Corporate bonds		12,573		(7	)		—		—		12,573		(7	)
Total marketable securities	$	59,998	$	(41	)	$	—	$	—	$	59,998	$	(41	)

Summary of Contractual Maturities of Marketable Securities at Estimated Fair Value

The following table summarizes the contractual maturities of the Company’s marketable securities at estimated fair value (in thousands):

	September 30,		December 31,
	2022		2021
Due in one year or less	$	34,687	$	77,986
Due thereafter		—		—
Total marketable securities	$	34,687	$	77,986