Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Fair Value Hierarchy for Financial Assets

The Company’s fair value hierarchy for its cash equivalents and marketable securities was as follows:

June 30, 2020	Level 1		Level 2		Level 3		Total
Money market securities	$	3,114	$	—	$	—	$	3,114
Commercial paper		—		13,690		—		13,690
Pre-refunded municipals		—		6,456		—		6,456
Federal agency notes		—		3,299		—		3,299
Corporate notes		—		3,012		—		3,012
Total	$	3,114	$	26,457	$	—	$	29,571

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 June 30, 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	$	29,571	$	29,571	$	—	$	—	$	—