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SHARE-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2011
SHARE-BASED COMPENSATION 
Schedule of estimated share-based compensation expense

 

 

 

 

Three Months Ended
September 30

 

Nine Months Ended
September 30

 

 

 

2011

 

2010

 

2011

 

2010

 

 

 

 

 

 

 

 

 

 

 

Research and development

 

$

438

 

$

301

 

$

1,506

 

$

862

 

General and administrative

 

1,282

 

1,372

 

4,319

 

3,965

 

Share-based compensation expense before taxes

 

1,720

 

1,673

 

5,825

 

4,827

 

Related income tax benefits

 

—

 

—

 

—

 

—

 

Share-based compensation expense, net of taxes

 

$

1,720

 

$

1,673

 

$

5,825

 

$

4,827

 

Basic and diluted per common share

 

$

0.02

 

$

0.02

 

$

0.07

 

$

0.06