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Property, Plant and Equipment, net
6 Months Ended
Jun. 30, 2014
Property Plant And Equipment [Abstract]  
Property, Plant and Equipment, net

9. Property, Plant and Equipment, net

Property, plant and equipment consist of the following:

 

     June 30,
2014
    December 31,
2013
 

Land

   $ 55      $ 55   

Building

     945        945   

Furniture and fixtures

     975        876   

Lab equipment

     24,295        22,275   

Leasehold improvements

     5,629        5,147   

Computer hardware

     3,513        3,286   

Construction in progress

     140        314   

Software

     1,344        1,008   
  

 

 

   

 

 

 
     36,896        33,906   

Less: Accumulated depreciation and amortization

     (19,507     (17,277
  

 

 

   

 

 

 

Property, plant and equipment, net

   $ 17,389      $ 16,629   
  

 

 

   

 

 

 

Depreciation expense was $1,281 and $1,114 for the three months ended June 30, 2014 and 2013, respectively, and $2,399 and $2,260 for the six months ended June 30, 2014 and 2013, respectively