Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Stock-Based Compensation

Schedule of stock-based compensation expense included in the condensed consolidated statements of operations

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands)	2017		2016		2017		2016
Research and development	$	175	$	172	$	353	$	347
General and administrative	2,252		2,669		4,581		4,358
Total stock-based compensation expense	$	2,427	$	2,841	$	4,934	$	4,705

Schedule of unrecognized stock-based compensation cost, including performance-contingent RSAs for which the performance milestones were determined to be probable of achievement

As of June 30, 2017, 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	$	603
RSUs	2,176
RSAs	10,346
Performance-based RSAs	107
Market-based RSUs	436
Market-based RSAs	2,906
Total stock-based compensation expense	$	16,574