Quarterly report pursuant to Section 13 or 15(d)

4. Property and Equipment, net (Tables)

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4. Property and Equipment, net (Tables)
 6 Months Ended
Jun. 30, 2015
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment, Net
  June 30,
2015 		    December 31,
2014 		 
Laboratory equipment   $ 255,813     $ 254,150  
Office and computer equipment     35,190       189,459  
Leasehold improvements     26,841       92,354  
Furniture and fixtures     20,263       50,150  
Property and equipment – at cost     338,107       586,113  
Less accumulated depreciation     (255,292 )     (466,664 )
Property and equipment – net   $ 82,815     $ 119,449