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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2014
Accounting Policies [Abstract]  
Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except for per share amounts):

 

     Year Ended December 31,  
     2014      2013      2012  

Net loss

   $ (24,126    $ (16,504    $ (3,119

Net loss allocated to unvested restricted shares

     (598      (513      (90
  

 

 

    

 

 

    

 

 

 

Undistributed net loss allocated to common shares

   $ (23,528    $ (15,991    $ (3,029
  

 

 

    

 

 

    

 

 

 

Weighted average shares outstanding — basic

     28,301         27,815         27,349   

Effects of dilutive securities:

        

Employee equity compensation plans

     —           —           —     
  

 

 

    

 

 

    

 

 

 

Weighted average shares outstanding — diluted

     28,301         27,815         27,349   
  

 

 

    

 

 

    

 

 

 

Basic net loss per share

   $ (0.83    $ (0.58    $ (0.11
  

 

 

    

 

 

    

 

 

 

Diluted net loss per share

   $ (0.83    $ (0.58    $ (0.11