Share-based Compensation Expense

6 Months Ended

Jun. 30, 2014

5.	Share-based Compensation Expense

The following table summarizes share-based compensation expense for the three and six months ended June 30, 2014 and 2013, which was allocated as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Research and development	$	1,034	$	451	$	1,816	$	855
Selling, general and administrative		4,322		1,517		11,369		3,541
Total share-based compensation expense	$	5,356	$	1,968	$	13,185	$	4,396

For the three and six months ended June 30, 2014 and 2013, we incurred share-based compensation expense due to the following types of awards (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Performance rights	$	191	$	265	$	694	$	605
Restricted stock		3,679		1,456		9,648		3,451
Options		1,486		247		2,843		340
Total share-based compensation expense	$	5,356	$	1,968	$	13,185	$	4,396

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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