Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

Stock-Based Compensation

Schedule of stock-based compensation expense

	Three Months Ended March 31,
(In thousands)	2018		2017
Research and development	$	—	$	178
General and administrative	2,169		2,329
Total stock-based compensation expense	$	2,169	$	2,507

Schedule of unrecognized stock-based compensation cost

As of March 31, 2018, unrecognized stock-based compensation cost, including performance-contingent RSAs for which the performance milestones were determined to be probable of achievement, was as follows:

(In thousands)	Unrecognized Compensation Cost
Stock options	$	157
RSUs	1,657
RSAs	4,068
Market-based RSUs	728
Market-based RSAs	1,705
Total unrecognized compensation cost	$	8,315