Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2024

Financial Instruments Disclosure [Abstract]

Summary of Estimated Fair Value and Related Valuation Input Hierarchy of Available-for-Sale Securities

The following tables summarize the estimated fair value and related valuation input hierarchy of our available-for-sale securities as of each period end:

		Total			Total			Total			Total
		Amortized			Unrealized			Unrealized			Estimated
As of June 30, 2024:	Input Level	Cost			Gain			Loss			Fair Value
		(in thousands)
Money market funds	Level 1	$	12,965		$	—		$	—		$	12,965
U.S. Treasury obligations	Level 2		17,372			—			—		$	17,372
Corporate debt obligations	Level 2		3,992			—			(14	)	$	3,978
Total available-for-sale securities			34,329			—			(14	)		34,315
Less: amounts classified as cash equivalents			(30,337	)		—			—			(30,337	)
Amounts classified as short-term investments		$	3,992		$	—		$	(14	)	$	3,978
		Total			Total			Total			Total
		Amortized			Unrealized			Unrealized			Estimated
As of December 31, 2023:	Input Level	Cost			Gain			Loss			Fair Value
		(in thousands)
Money market funds	Level 1	$	14,376		$	—		$	—		$	14,376
U.S. Treasury obligations	Level 2		9,928			1			—			9,929
Corporate debt obligations	Level 2		26,089			—			(205	)		25,884
Total available-for-sale securities			50,393			1			(205	)		50,189
Less: amounts classified as cash equivalents			(24,304	)		(1	)		—			(24,305	)
Amounts classified as short-term investments		$	26,089		$	—		$	(205	)	$	25,884

Amortized Cost and Fair Value of Available for Sale Securities by Contractual Maturity

The amortized cost and fair value of our available-for-sale securities by contractual maturity were as follows:

	As of June 30, 2024				As of December 31, 2023
	Amortized		Estimated		Amortized		Estimated
	Cost		Fair Value		Cost		Fair Value
	(in thousands)				(in thousands)
Maturing within one year	$	34,329	$	34,315	$	50,393	$	50,189
Maturing in one to five years		—		—		—		—
Total available-for-sale securities	$	34,329	$	34,315	$	50,393	$	50,189

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash within the condensed consolidated balance sheets that sum to the total of the same such amounts in the condensed consolidated statement of cash flows:

	June 30,		December 31,
	2024		2023
	(in thousands)
Cash and cash equivalents	$	31,314	$	25,841
Restricted cash – short term		146		146
Total cash, cash equivalents and restricted cash	$	31,460	$	25,987