Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2019

Fair Value Measurements

Summary of major categories of financial assets and liabilities measured at fair value on a recurring basis

The following fair value hierarchy table presents information about each major category of our financial assets and liabilities measured at fair value on a recurring basis (in thousands):

	Level 1		Level 2		Level 3		Total
June 30, 2019
Assets
Money market funds (cash equivalents)	$	13,807	$	—	$	—	$	13,807
Certificates of deposit		988		—		—		988
U.S. Treasury securities		—		1,493		—		1,493
Total assets	$	14,795	$	1,493	$	—	$	16,288
December 31, 2018
Assets
Money market funds (cash equivalents)	$	14,049	$	—	$	—	$	14,049
U.S. Treasury securities		—		4,998		—		4,998
Total assets	$	14,049	$	4,998	$	—	$	19,047