Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Summary of Assets Measured at Fair Value on a Recurring Basis

The following tables show assets measured at fair value on a recurring basis as of March 31, 2024 and December 31, 2023:

	March 31, 2024
(in thousands)	Level 1		Level 2		Level 3
Cash equivalents:
Money market funds	$	5,996	$	—	$	—
Totals	$	5,996	$	—	$	—
Short-term investments:
Treasury bills and notes	$	—	$	9,950	$	—
Totals	$	—	$	9,950	$	—

	December 31, 2023
(in thousands)	Level 1		Level 2		Level 3
Cash equivalents:
Money market funds	$	5,721	$	—	$	—
Totals	$	5,721	$	—	$	—
Short-term investments:
Treasury bills and notes	$	—	$	12,886	$	—
Totals	$	—	$	12,886	$	—

Summary of Carrying Values and Fair Values of Financial Instruments

The following table summarizes the carrying values and fair values of the Company's financial instruments:

	March 31, 2024
(in thousands)	Amortized Cost		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term investments:
Treasury bills and notes	$	9,950	$	—	$	9,950	$	—	$	—	$	9,950
Total short-term investments	$	9,950	$	—	$	9,950	$	—	$	—	$	9,950

	December 31, 2023
(in thousands)	Amortized Cost		Allowance for Credit Losses		Net Carrying Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Short-term investments:
Treasury bills and notes	$	12,886	$	—	$	12,886	$	—	$	—	$	12,886
Total short-term investments	$	12,886	$	—	$	12,886	$	—	$	—	$	12,886