Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Fair Value Hierarchy for Financial Assets

The Company’s fair value hierarchy for its cash equivalents and marketable securities as of December 31, 2021 and 2020, respectively, was as follows:

December 31, 2021	Level 1		Level 2		Level 3		Total
Money market securities	$	2,478	$	—	$	—	$	2,478
Commercial paper		—		13,382		—		13,382
Corporate notes		—		9,585		—		9,585
Federal agency notes		—		3,799		—		3,799
Pre-refunded municipals		—		1,063		—		1,063
Total	$	2,478	$	27,829	$	—	$	30,307

December 31, 2020	Level 1		Level 2		Level 3		Total
Money market securities	$	10,988	$	—	$	—	$	10,988
Commercial paper		—		36,478		—		36,478
Pre-refunded municipals		—		26,697		—		26,697
Corporate notes		—		2,437		—		2,437
Total	$	10,988	$	65,612	$	—	$	76,600

Summary of Fair Value Maturities for Financial Asset

The fair value maturities of the Company’s cash equivalents and marketable securities as of December 31, 2021 are as follows:

	Maturities by Period
	Total		Less than 1 year		1-5 years		5 - 10 years		More than 10 years
Cash equivalents and marketable securities	$	30,307	$	22,015	$	8,292	$	—	$	—