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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

The following table shows total stock-based compensation expense included in the condensed consolidated statements of operations for the three months ended March 31, 2016 and 2015 (in thousands):

	Three months ended
	March 31,
	2016		2015
Research and development	$	1,850	$	1,691
General and administrative		1,344		1,262
Total stock-based compensation expense	$	3,194	$	2,953