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

12 Months Ended

Dec. 31, 2020

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, 2020 and 2019, respectively, was as follows:

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

December 31, 2019	Level 1		Level 2		Level 3		Total
Money market securities	$	746	$	—	$	—	$	746
Commercial paper		—		25,481		—		25,481
Corporate notes		—		5,773		—		5,773
U.S. treasuries		—		4,040		—		4,040
Total	$	746	$	35,294	$	—	$	36,040

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, 2020 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	$	76,600	$	76,600	$	—	$	—	$	—