Fair Value of Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value of Financial Assets and Liabilities

Schedule of summary of the assets and liabilities measured at fair value on a recurring basis

The following tables summarize the assets and liabilities measured at fair value on a recurring basis at December 31, 2019 and 2018 (in thousands):

	Fair Value Measurements at December 31, 2019
	Total		Level 1		Level 2		Level 3
Assets:
Money market funds, included in cash and cash equivalents	$	34,896	$	34,896	$	—	$	—
Marketable securities:
U.S. Treasury obligations		121,140		121,140		—		—
Total assets	$	156,036	$	156,036	$	—	$	—

	Fair Value Measurements at December 31, 2018
	Total		Level 1		Level 2		Level 3
Assets:
Money market funds, included in cash and cash equivalents	$	114,593	$	114,593	$	—	$	—
Marketable securities:
U.S. Treasury obligations		60,576		60,576		—		—
Total assets	$	175,169	$	175,169	$	—	$	—