Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following tables represent the fair value hierarchy for those assets and liabilities that the Company measures at fair value on a recurring basis (in thousands):

	Fair Value Measurements at March 31, 2020 Using:
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Financial assets included within cash and cash equivalents
Money market funds	$	6,616	$	6,616	$	—	$	—
Short-term investments - certificates of deposit		15,162		—		15,162		—
Short-term investments - commercial paper		25,533		—		25,533		—
Financial assets included within short-term investments
Short-term investments - certificates of deposit		10,101		—		10,101		—
Short-term investments - commercial paper		31,469		—		31,469		—
Available-for-sale investment		151		151		—		—
Total assets	$	89,032	$	6,767	$	82,265	$	—

	Fair Value Measurements at December 31, 2019 Using:
	Total		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Financial assets included within cash and cash equivalents
Money market funds	$	5,460	$	5,460	$	—	$	—
Short-term investments - certificates of deposit		15,110		—		15,110		—
Short-term investments - commercial paper		51,017		—		51,017		—
Financial assets included within short-term investments
Short-term investments - certificates of deposit		10,054		—		10,054		—
Short-term investments - commercial paper		22,835		—		22,835		—
Available-for-sale investment		250		250		—		—
Total assets	$	104,726	$	5,710	$	99,016	$	—