Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Information about Financial Assets Measured at Fair Value on Recurring Basis Based on Three-Tier Fair Value Hierarchy

The following tables present information about the Company’s financial assets measured at fair value on a recurring basis, based on the three-tier fair value hierarchy:

	March 31, 2020
	Total		Level 1		Level 2		Level 3
	(in thousands)
Marketable securities and cash equivalents:
Corporate debt securities	$	60,319	$	—	$	60,319	$	—
U.S. government agency securities		1,003		—		1,003		—
Money market accounts		3,943		3,943		—		—
Total marketable securities	$	65,265	$	3,943	$	61,322	$	—

	December 31, 2019
	Total		Level 1		Level 2		Level 3
	(in thousands)
Marketable securities and cash equivalents:
Corporate debt securities	$	59,950	$	—	$	59,950	$	—
Money market accounts		4,700		4,700		—		—
Total marketable securities and cash equivalents	$	64,650	$	4,700	$	59,950	$	—