Available-for-Sale Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2024

Available-for-Sale Marketable Securities

Summary of Available-for-Sale Marketable Securities by Major Type of Security

As of September 30, 2024

			Gross Unrealized				Estimated Fair
Type of Security	Amortized Cost		Gains		Losses		Value
U.S. government agency obligations	$	5,000	$	—	$	(25)	$	4,975
Total available-for-sale marketable securities	$	5,000	$	—	$	(25)	$	4,975

As of December 31, 2023

			Gross Unrealized				Estimated Fair
Type of Security	Amortized Cost		Gains		Losses		Value
U.S. Treasury securities	$	37,243	$	3	$	—	$	37,246
U.S. government agency obligations		7,500		—		(262)		7,238
Corporate bonds		4,500		—		(1)		4,499
Total available-for-sale marketable securities	$	49,243	$	3	$	(263)	$	48,983

Schedule of Fair Values and Continuous Unrealized Loss Positions of Available-for-Sale Marketable Securities

As of September 30, 2024

	Less than 12 Months				12 Months or Greater				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
U.S. government agency obligations	$	—	$	—	$	4,975	$	(25)	$	4,975	$	(25)
Total	$	—	$	—	$	4,975	$	(25)	$	4,975	$	(25)

As of December 31, 2023

	Less than 12 Months				12 Months or Greater				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
U.S. government agency obligations	$	—	$	—	$	7,238	$	(262)	$	7,238	$	(262)
Corporate bonds		—		—		2,000		(1)		2,000		(1)
Total	$	—	$	—	$	9,238	$	(263)	$	9,238	$	(263)

Schedule of Amortized Cost and Fair Values of Marketable Debt Securities by Contractual Maturity

	As of September 30, 2024				As of December 31, 2023
Contractual maturity	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Less than one year	$	5,000	$	4,975	$	49,243	$	48,983
More than one year		—		—		—		—
Total	$	5,000	$	4,975	$	49,243	$	48,983