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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2013
Summary of Significant Accounting Policies  
Schedule of stock-based compensation expense including stock options granted to employees and non-employees

 

 

 

 

Three months Ended
June 30,

 

Six months Ended
June 30,

 

 

 

2013

 

2012

 

2013

 

2012

 

Research and development

 

$

422,719

 

$

67,017

 

$

1,787,127

 

$

91,251

 

General and administrative

 

154,099

 

31,726

 

1,074,872

 

40,776

 

Total

 

$

576,818

 

$

98,743

 

$

2,861,999

 

$

132,027