Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT

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PROPERTY AND EQUIPMENT
 12 Months Ended
Dec. 31, 2013
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

7. PROPERTY AND EQUIPMENT

        Property and equipment consists of the following (in thousands):

 
   December 31,  
 
   2013   2012  

Laboratory equipment

   $ 24,418   $ 23,504  

Computer and software

     1,244     1,312  

Furniture and equipment

     1,177     1,206  

Assets to be placed in service

     —     40  
           
​ ​ ​ ​ ​ ​ ​ ​

Total property and equipment

   $ 26,839   $ 26,062  

Less accumulated depreciation and amortization

     (22,384 )   (20,236 )
           
​ ​ ​ ​ ​ ​ ​ ​

Property and equipment, net

   $ 4,455   $ 5,826  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           

        During 2013, we disposed of approximately $445,000 of fully depreciated assets. During 2012, we disposed of approximately $422,000 of assets with related accumulated depreciation of approximately $417,000.

        At December 31, 2013 and 2012, we did not have equipment under capital lease. Total depreciation and amortization expense was $2.6 million, $2.4 million and $2.0 million for the years ended December 31, 2013, 2012 and 2011, respectively.