Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT

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PROPERTY AND EQUIPMENT
12 Months Ended
Dec. 31, 2012
PROPERTY AND EQUIPMENT  
PROPERTY AND EQUIPMENT

7. PROPERTY AND EQUIPMENT

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

 
  Year Ended  
 
  2012   2011  

Laboratory and office equipment

  $ 26,022   $ 23,071  

Assets to be placed in service

    40     31  
           

Total property and equipment

    26,062     23,102  

Less accumulated depreciation and amortization

    (20,236 )   (18,220 )
           

Property and equipment, net

  $ 5,826   $ 4,882  
           

        During 2012, we disposed of approximately $422,000 of assets with related accumulated depreciation of approximately $417,000. During 2011, we disposed of fully depreciated assets of approximately $206,000.

        At December 31, 2012 and 2011, we did not have equipment under capital lease. Total depreciation expense was $2.4 million, $2.0 million and $1.3 million for the years ended December 31, 2012, 2011 and 2010, respectively.