Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Financial Assets Measured at Fair Value on Recurring Basis

Financial assets measured at fair value on a recurring basis were as follows (in thousands):

	Fair Value Measurement at Reporting Date Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
As of March 31, 2019
Assets:
Money market funds	$	6,980	$	—	$	—	$	6,980
As of December 31, 2018
Assets:
Money market funds	$	6,974	$	—	$	—	$	6,974