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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share [Abstract]  
Calculation of basic and diluted earnings per share

The calculation of basic and diluted earnings per share for the three and nine months ended September 30, 2012 and 2011 is as follows:

 

                                 
    Three months ended
September 30,
    Nine months ended
September 30,
 
    2012     2011     2012     2011  

Basic:

                               

Net income

  $ 358     $ 591     $ 1,151     $ 965  

Weighted average shares outstanding - basic

    31,130,908       30,794,268       31,034,972       30,727,720  

Net income per share - basic

  $ 0.01     $ 0.02     $ 0.04     $ 0.03  
         

Diluted:

                               

Net income

  $ 358     $ 591     $ 1,151     $ 965  
         

Weighted average shares outstanding - basic

    31,130,908       30,794,268       31,034,972       30,727,720  

Dilutive securities

    185,928       218,744       167,870       250,213  

Weighted average shares outstanding - diluted

    31,316,836       31,013,012       31,202,842       30,977,933  

Net income per share - diluted

  $ 0.01     $ 0.02     $ 0.04     $ 0.03