Share-based Compensation Expense (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Share-Based Compensation Expense

The following table summarizes share-based compensation expense for the three and nine months ended September 30, 2015 and 2014, which was allocated as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Research and development	$	1,430	$	801	$	3,168	$	2,617
Selling, general and administrative		4,458		3,036		9,829		14,405
Total share-based compensation expense	$	5,888	$	3,837	$	12,997	$	17,022

Share-Based Compensation Expense by Types of Awards

For the three and nine months ended September 30, 2015 and 2014, we incurred share-based compensation expense due to the following types of awards (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2015		2014		2015		2014
Performance rights	$	3,262	$	427	$	4,103	$	1,121
Restricted stock		1,796		2,864		6,754		12,512
Options		830		546		2,140		3,389
Total share-based compensation expense	$	5,888	$	3,837	$	12,997	$	17,022