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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Calculation of basic and diluted earnings per share
                 
    2012     2011  

BASIC

               

Net income applicable to common stockholders

  $ 1,553     $ 1,564  

Weighted average shares outstanding—basic

    31,062,428       30,750,108  

Net income per share—basic

  $ 0.05     $ 0.05  

DILUTED

               

Net income applicable to common stockholders

  $ 1,553     $ 1,564  

Weighted average shares outstanding—basic

    31,062,428       30,750,108  

Dilutive securities

    159,698       228,180  

Weighted average shares outstanding, diluted

    31,222,126       30,978,288  

Net income per share, diluted

  $ 0.05     $ 0.05