Short-Term Investments (Tables)

3 Months Ended

Mar. 31, 2022

Short Term Investments [Abstract]

Summary of Short-Term Investments

The following tables summarize short-term investments (in thousands):

	As of March 31, 2022
			Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Commercial paper	$	18,433	$	—	$	(33	)	$	18,400
U.S. government and agency securities		11,265		—		(11	)		11,254
Total short-term investments	$	29,698	$	—	$	(44	)	$	29,654

	As of December 31, 2021
			Unrealized
	Amortized Cost		Gains		Losses			Estimated Fair Value
Commercial paper	$	16,991	$	1	$	(5	)	$	16,987
U.S. government and agency securities		10,531		—		(1	)		10,530
Total short-term investments	$	27,522	$	1	$	(6	)	$	27,517

Summary of Maturities of Short-Term Investments

The following table summarizes the maturities of the Company’s short-term investments at March 31, 2022 (in thousands):

	Amortized Cost		Estimated Fair Value
Due in one year or less	$	29,698	$	29,654
Total short-term investments	$	29,698	$	29,654