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Property and Equipment, net
12 Months Ended
Dec. 31, 2011
Property and Equipment, net

5. Property and Equipment, net

Property and equipment, net consist of the following:

   
  December 31,
(in thousands)   2011   2010
Office and computer equipment   $ 1,021     $ 520  
Software     399       337  
Leasehold improvements     890       12  
Manufacturing equipment     156       439  
       2,466       1,308  
Less accumulated depreciation     (1,325 )      (1,055 ) 
Property and equipment, net   $ 1,141     $ 253  

Depreciation and amortization charged to the Statement of Operations for the years ended December 31, 2011, 2010, 2009 and from September 9, 2003 (date of inception) to December 31, 2011 (in thousands) was: $268, $188, $330, and $1,916, respectively.