Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Company's Financial Instruments Carried at Fair Value Using Lowest Level of Input

The following tables set forth the Company’s financial instruments carried at fair value using the lowest level of input as of September 30, 2018 and December 31, 2017:

	September 30, 2018
	Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Money market funds	$	8,256	$	—	$	—	$	8,256
Total assets	$	8,256	$	—	$	—	$	8,256
	December 31, 2017
	Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets:
Money market funds	$	8,160	$	—	$	—	$	8,160
Total assets	$	8,160	$	—	$	—	$	8,160