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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2013
Property Plant And Equipment [Abstract]  
Property and Equipment

Property and equipment consist of the following:

 

     December 31,  
     2013     2012  

Computer equipment

   $ 82,252      $ 92,318   

Furniture and fixtures

     46,523        42,736   

Scientific equipment

     2,851,947        2,824,076   

Leasehold improvements

     319,553        319,553   
  

 

 

   

 

 

 
     3,300,275        3,278,683   

Less accumulated depreciation

     (3,232,003     (3,220,417
  

 

 

   

 

 

 
   $ 68,272      $ 58,266