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Property and equipment (Tables)
12 Months Ended
Dec. 31, 2012
Property and equipment  
Schedule of property and equipment and related accumulated depreciation

Property and equipment and related accumulated depreciation are as follows (in thousands):

 
  December 31,
2012
  December 31,
2011
 

Laboratory equipment

  $ 663   $  

Furniture and equipment

    101      

Computer equipment

    7        

Leasehold improvements

    78      

Less: accumulated depreciation

    (93 )    
           

 

  $ 756   $