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Earnings/ Loss Per Share
 6 Months Ended
Jun. 30, 2012
Earnings/ Loss Per Share
Note 7 —Earnings/ Loss Per Share
 
The following table is a reconciliation of the weighted average shares used in the computation of loss per share for the periods presented (in thousands, except per share data):
 
   
Three Months Ended June 30,
  
   
2011
    
2012
  
   
Income
    
Weighted
Average
Shares
    
Per-Share
    
Income
    
Weighted
Average
Shares
    
Per-Share
  
Earnings per share – basic
                                    
Income available to common stockholders
   $ 4,240       26,947     $ 0.16     $ 214       25,765     $ 0.01  
Effect of dilutive securities:
                                                
Options and warrants
             20                       10          
Unvested restricted stock grants
             129                       95          
Earnings per share – diluted
                                                
Income available to common
stockholders plus assumed exercises
and conversion
   $ 4,240       27,096     $ 0.16     $ 214       25,870     $ 0.01  

 
   
Six Months Ended June 30,
  
   
2011
    
2012
  
   
Income
    
Weighted
Average
Shares
    
Per-Share
    
Income
    
Weighted
Average
Shares
    
Per-Share
  
Loss per share – basic and diluted
                                    
Net loss available to common stockholders
   $ (6,335 )     27,095     $ (0.23 )   $ (15,786 )     25,766     $ (0.61 )
 
Basic earnings per share is calculated using the weighted average number of common shares outstanding during the period. Diluted earnings per share is calculated using the weighted average number of common shares and common share equivalents outstanding during the period (which consist of warrants, options and convertible debt to the extent they are dilutive). For the three and six months ended June 30, 2011, the convertible notes interest and related common share equivalent of 6,320,910 were excluded from the diluted earnings per share calculation because they were anti-dilutive.  For the three and six months ended June 30, 2012, the convertible notes interest and related common share equivalent of 6,441,296 and 6,421,767,  respectively, were excluded from the diluted earnings per share calculation because they were anti-dilutive.  Common share equivalents that could potentially dilute basic earnings per share in the future, which were excluded from the computation of diluted loss per share, totaled approximately 131,200 and 119,644 for the three months ended June 30, 2011 and 2012, respectively. Common share equivalents that could potentially dilute basic earnings per share in the future, which were excluded from the computation of diluted loss per share, totaled approximately 198,011 and 130,165 for the six months ended June 30, 2011 and 2012 respectively.