Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value on a Recurring Basis

The following table presents the fair value hierarchy for assets measured at fair value on a recurring basis as of September 30, 2018 (in thousands):

	September 30, 2018
	Fair value measurements using input type
	Level 1		Level 2		Level 3		Total
Cash equivalents	$	28,609	$	—	$	—	$	28,609
Corporate debt securities		—		2,499		—		2,499
Total financial assets	$	28,609	$	2,499	$	—	$	31,108

The following table presents the fair value hierarchy for assets measured at fair value on a recurring basis as of December 31, 2017 (in thousands):

	December 31, 2017
	Fair value measurements using input type
	Level 1		Level 2		Level 3		Total
Cash equivalents	$	2,024	$	—	$	—	$	2,024
Certificates of deposit		—		1,462		—		1,462
Corporate debt securities		—		7,146		—		7,146
Total financial assets	$	2,024	$	8,608	$	—	$	10,632