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Property, Equipment and Software, Net
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Property, Equipment and Software, Net

(5) Property, Equipment and Software, Net

The following is a summary of property, equipment and software at cost, less accumulated depreciation and amortization (in thousands):

 

     December 31,
2012
    June 30,
2013
 
           (unaudited)  

Office furniture and equipment

   $ 3,517      $ 3,858   

Software

     2,932        3,441   

Leasehold improvements

     365        371   
  

 

 

   

 

 

 
     6,814        7,670   

Less: accumulated depreciation

     (2,930     (3,883
  

 

 

   

 

 

 
   $ 3,884      $ 3,787   
  

 

 

   

 

 

 

(5) Property, Equipment and Software, Net

The following is a summary of property, equipment and software at cost, less accumulated depreciation and amortization (in thousands):

 

     December 31,  
     2011     2012  

Office furniture and equipment

   $ 1,795      $ 3,517   

Software

     1,939        2,932   

Leasehold improvements

     161        365   
  

 

 

   

 

 

 
     3,895        6,814   

Less: accumulated depreciation

     (1,710     (2,930
  

 

 

   

 

 

 
   $ 2,185      $ 3,884   
  

 

 

   

 

 

 

Depreciation and amortization expense of $276,000, $548,000 and $1,495,000 was recorded for the years ended December 31, 2010, 2011 and 2012, respectively.