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Loss per common share
3 Months Ended
Mar. 31, 2013
Loss per common share [Abstract]  
Loss per common share
5.    Loss per common share

Basic and diluted loss per common share were computed as follows:

 
 
Three Months Ended March 31,
 
 
 
(in thousands, except per share amounts)
 
 
 
2013
  
2012
 
Numerator:
 
  
 
   Net loss
 
$
(3,255
)
 
$
(5,649
)
 
        
Denominator:
        
   Basic-weighted average shares
  
17,924
   
17,727
 
   Effect of dilutive stock options
  
-
   
-
 
   Diluted-weighted average shares
  
17,924
   
17,727
 
 
        
Basic loss per common share
 
$
(0.18
)
 
$
(0.32
)
Diluted loss per common share
 
$
(0.18
)
 
$
(0.32
)

                        Options totaling 333,000 and 433,000 shares were outstanding but were not included in the calculation of diluted weighted average shares for 2013 and 2012, respectively, as their effect would be anti-dilutive.  As of March 31, 2013 and 2012, the Company has outstanding 478,000 and 433,000 deferred stock units, respectively, which have a contractual participation right to share in current dividends and voting rights.  These deferred stock units are included in basic weighted average shares outstanding.