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Property and Equipment
12 Months Ended
Dec. 31, 2012
Property and Equipment [Abstract]  
Property and Equipment
4.
Property and Equipment
 
Property and equipment consist of the following (in thousands):
 
 
As of December 31,
 
 
2012
 
2011
 
         
Computers, software, furniture and fixtures
  $ 475     $ 151  
Less accumulated depreciation and amortization
    (145 )     (43 )
Property and equipment, net
  $ 330     $ 108  
 
Depreciation and amortization expense is $97,000, $26,000 and $11,000 for the years ended December 31, 2012, 2011 and 2010, respectively.