Stock Option and Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2015

Stock Option and Incentive Plans

Schedule of total compensation cost recognized for all stock option awards in the statements of operations

Total compensation cost recognized for all stock option awards in the statements of operations is as follows (in thousands):

	Three Months Ended
	March 31,
	2015		2014
Research and development	$	127	$	2
General and administrative		256		21
Total stock‑based compensation expense	$	383	$	23