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Earnings Per Share
9 Months Ended
Sep. 30, 2011
Earnings Per Share [Abstract] 
Earnings Per Share
10. Earnings Per Share
The following is a summary of basic and diluted income (loss) per share (in thousands, except share and per share amounts):
                                 
    Three Months Ended     Nine Months Ended  
    September 30,     September 30,  
    2011     2010     2011     2010  
Net income (loss) attributable to common shares
  $ 112     $ (2,010 )   $ (4,795 )   $ (1,974 )
Weighted average common shares outstanding — basic
    19,494,703       640,893       19,483,962       215,978  
Potentially dilutive common shares:
                               
Unvested restricted awards
    93,258                    
 
                       
Weighted average common shares outstanding — diluted
    19,587,961       640,893       19,483,962       215,978  
 
                       
 
                               
Net income (loss) per share attributable to common shares
                               
Basic
  $ 0.01     $ (3.14 )   $ (0.25 )   $ (9.14 )
Diluted
  $ 0.01     $ (3.14 )   $ (0.25 )   $ (9.14 )
We have excluded the following potentially dilutive securities in the calculations above as their effect would have been antidilutive:
                                 
    Three Months Ended     Nine Months Ended  
    September 30,     September 30,  
    2011     2010     2011     2010  
Stock options
    994,029       587,555       994,029       587,555  
Restricted awards
    242,793       195,435       336,051       195,435  
 
                       
 
    1,236,822       782,990       1,330,080       782,990