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Property and Equipment, Net
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net

4. Property and Equipment, Net

Property and equipment, net consisted of the following (in thousands):

 

    

    December 31,    

 
    

    2017    

   

    2016    

 

Laboratory equipment

   $ 510     $ 484  

Computer software and equipment

     181       185  

Office furniture and equipment

     201       201  

Leasehold improvements

     915       920  
  

 

 

   

 

 

 
     1,807       1,790  

Less: Accumulated depreciation and amortization

     (643     (290
  

 

 

   

 

 

 
   $ 1,164     $ 1,500  
  

 

 

   

 

 

 

Depreciation and amortization expense was $0.4 million, $0.3 million and less than $0.1 million for the years ended December 31, 2017, 2016 and 2015, respectively.