Annual report pursuant to Section 13 and 15(d)

Equipment, Net

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Equipment, Net
12 Months Ended
Dec. 31, 2011
Equipment, Net  
Equipment, Net
7.
Equipment, Net
 
   
December 31,
   
December 31,
 
   
2011
   
2010
 
             
Furniture and fixtures
  $ 34,200     $ 32,169  
Office equipment
    81,074       77,032  
Lab and computer equipment
    430,261       429,415  
Leasehold improvements
    119,841       110,713  
                 
      665,376       649,329  
Less Accumulated depreciation
    (570,834 )     (525,764 )
                 
Net carrying amount
  $ 94,542     $ 123,565  
 
Depreciation expense was $45,070, $50,659 and $41,604 for the years ended December 31, 2011, 2010 and 2009, respectively.