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Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2012
Significant Accounting Policies [Abstract]  
Schedule Of Reconciliation Of Shares Used To Calculate Basic And Diluted Earnings Per Share
     For the three months
ended March 31,
 
     2011      2012  

Weighted average shares outstanding used to compute basic earnings per share

     12,744         11,419   

Incremental shares issuable upon the assumed exercise of stock options

     18         —     

Unvested restricted stock

     32         58   
  

 

 

    

 

 

 

Shares used to compute diluted earnings per share

     12,794         11,477