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Stock-Based Compensation
 6 Months Ended
Jun. 30, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Stock-Based Compensation

NOTE 8—STOCK-BASED COMPENSATION

The following table shows total stock-based compensation expense included in the condensed consolidated statements of operations for the three and six months ended June 30, 2015 and 2014 (in thousands):

 

 

 

Three months ended

 

 

Six months ended

 

 

 

June 30,

 

 

June 30,

 

 

 

2015

 

 

2014

 

 

2015

 

 

2014

 

Costs and expenses:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Research and development

 

$

1,734

 

 

$

1,163

 

 

$

3,425

 

 

$

2,236

 

General and administrative

 

 

1,149

 

 

 

966

 

 

 

2,411

 

 

 

1,800

 

Total stock-based compensation expense

 

$

2,883

 

 

$

2,129

 

 

$

5,836

 

 

$

4,036