Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2024

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

The following is a summary of available-for-sale and held-to-maturity securities as of March 31, 2024 (in thousands):

	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Losses)		Estimated Fair Value
Available-for-sale securities:
Tax-exempt municipal securities	$	10,083	$	1	$	(87)	$	9,997
Corporate debt securities	3,201		—		(54)		3,147
Total available-for sale securities	$	13,284	$	1	$	(141)	$	13,144
Held-to-maturity securities:
Term deposits	$	18,304	$	—	$	—	$	18,304

The following is a summary of available-for-sale securities as of December 31, 2023 (in thousands):

	Amortized Cost		Gross Unrealized Gain		Gross Unrealized (Losses)		Estimated Fair Value
Available-for-sale securities:
Tax-exempt municipal securities	$	10,055	$	2	$	(144)	$	9,913
Corporate debt securities	3,202		—		(79)		3,123
Total available-for sale securities	$	13,257	$	2	$	(223)	$	13,036
Held-to-maturity securities:
Term deposits	$	27,175	$	—	$	—	$	27,175

Schedule of Maturities of Marketable Securities

The following table summarizes the maturities of the Company’s marketable securities as of December 31, 2023 and March 31, 2024 (in thousands):

	December 31, 2023				March 31, 2024
	Available-for-sale securities		Held-to-maturity securities		Available-for-sale securities		Held-to-maturity securities
Due within one year	$	12,553	$	27,175	$	13,144	$	18,304
Due after one year through three years	483		—		—		—
Total	$	13,036	$	27,175	$	13,144	$	18,304

Schedule of Proceeds from the Maturities of Marketable Securities

The following table summarizes the proceeds from the maturities and sales of marketable securities for the three months ended March 31, 2023 and 2024 (in thousands):

	For the three months ended March 31,
	2023		2024
Maturities of marketable securities	$	1,960	$	8,220
Sales of marketable securities	—		—
Total	$	1,960	$	8,220