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Net Loss Per Share
 12 Months Ended
Dec. 31, 2014
Net Loss Per Share [Abstract]  
Net Loss Per Share

14.          Net Loss per Share

 

Basic net loss per common share for the years ended December 31, 2014, 2013 and 2012 was computed by dividing the net loss by the weighted average number of shares of common stock outstanding during the year. Diluted loss per common share is computed by dividing net loss by the weighted average number of shares of common stock and common stock equivalents outstanding during the year.

 

Potential common stock equivalents of approximately 0.3 million, 0.8 million and 4.7 million outstanding stock warrants, 11,000, 11,000 and 52,000 shares issuable upon conversion of preferred stock, 24,000, 1.6 million and 1.7 million stock options are excluded from the diluted earnings per share calculation for the years ended December 31, 2014, 2013 and 2012, respectively, due to their anti-dilutive effect. 

 

(In thousands, except per share amounts)   Years ended December 31,  
    2014     2013     2012  
BASIC AND DILUTED                  
Weighted average number of common shares outstanding     39,532       35,266       33,003  
                         
Net loss   $ (14,234 )   $ (13,080 )   $ (9,287 )
                         
Net loss per shares basic and diluted   $ (0.36 )   $ (0.37 )   $ (0.28 )