Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Measurements

Schedule of assets and liabilities measured and recorded in financial statements at fair value on a recurring basis

The table below presents the assets and liabilities measured and recorded in the financial statements at fair value on a recurring basis at March 31, 2018 and December 31, 2017 categorized by the level of inputs used in the valuation of each asset and liability.
	March 31, 2018
(In thousands)	Total		Level 1		Level 2		Level 3
Assets
Money market funds	$	66,372	$	66,372	$	—	$	—
Total Assets	$	66,372	$	66,372	$	—	$	—
Total Liabilities	$	—	$	—	$	—	$	—
	December 31, 2017
(In thousands)	Total		Level 1		Level 2		Level 3
Assets
Money market funds	$	66,183	$	66,183	$	—	$	—
Total Assets	$	66,183	$	66,183	$	—	$	—
Total Liabilities	$	—	$	—	$	—	$	—