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Fixed Assets
12 Months Ended
Dec. 31, 2011
Fixed Assets

5. Fixed Assets

The following is a summary of the fixed assets as of December 31:

           
  2011   2010
     Cost   Accumulated
Depreciation
  Net Book
Value
  Cost   Accumulated
Depreciation
  Net Book
Value
Computers, furniture and fixtures   $ 100,373     $ (73,521 )    $ 26,852     $ 94,268     $ (68,540 )    $ 25,728  
Leasehold improvements     49,292       (28,407 )      20,885       41,217       (25,892 )      15,325  
     $ 149,665     $ (101,928 )    $ 47,737     $ 135,485     $ (94,432 )    $ 41,053  

Included in fixed assets are assets under capital lease obligations with a cost of $4,243, (2010 — $4,323) and accumulated depreciation of $2,816 (2010 — $2,421). Depreciation expense for the years ended December 31, 2011, 2010 and 2009 was $17,665, $16,447 and $16,087, respectively.