Cash, Cash Equivalents and Investments (Tables)

3 Months Ended

Mar. 31, 2024

Fair Value Disclosures [Abstract]

Summary of Fair Values of Cash, Cash Equivalents, and Short-Term Investments Measured at Fair Value on Recurring Basis

The following tables categorize the fair values of cash, cash equivalents, short-term investments and long-term investments measured at fair value on a recurring basis on our balance sheets (in thousands):

	March 31, 2024		December 31, 2023
Cash and cash equivalents:
Cash	$	1,594	$	1,521
Money market funds		5,315		4,285
Government and agency notes		14,904		14,946
Total cash and cash equivalents	$	21,813	$	20,752
Short-term investments:
Certificates of deposit	$	490	$	729
Government and agency notes		45,520		53,578
Total short-term investments	$	46,010	$	54,307

Summary of Available-for-Sale Securities

The following table summarizes the available-for-sale securities (in thousands):

	Fair Value Measurements as of March 31, 2024
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Money market funds	$	5,315	$	—	$	—		$	5,315
Certificates of Deposit		490		—		—			490
Government and agency notes		60,426		1		(3	)		60,424
Total cash equivalents and investments	$	66,231	$	1	$	(3	)	$	66,229
Classified as:
Cash equivalents (original maturities within 90 days)								$	20,219
Short-term investments (maturities within one year)									46,010
Total cash equivalents and investments								$	66,229

	Fair Value Measurements as of December 31, 2023
	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value
Money market funds	$	4,285	$	—	$	—		$	4,285
Certificates of Deposit		735		—		(6	)		729
Government and agency notes		68,528		13		(17	)		68,524
Total cash equivalents and investments	$	73,548	$	13	$	(23	)	$	73,538
Classified as:
Cash equivalents (original maturities within 90 days)								$	19,231
Short-term investments (maturities within one year)									54,307
Total								$	73,538