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Income (loss) per common share
6 Months Ended
Jun. 30, 2012
Income (loss) per common share [Abstract]  
Income (loss) per common share
5.    Income (loss) per common share

Basic and diluted income (loss) per common share was computed as follows:

 
 
(in thousands, except per share amounts)
 
 
 
Three Months Ended
June 30,
 
 
Six Months Ended
June 30,
 
 
 
2012
 
 
2011
 
 
2012
 
 
2011
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
 
   Net income (loss)
 
$
1,071
 
 
$
(3,305
)
 
$
(4,578
)
 
$
(11,242
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   Basic-weighted average shares
 
 
17,872
 
 
 
17,534
 
 
 
17,799
 
 
 
17,490
 
   Effect of dilutive stock options
 
 
-
 
 
 
-
 
 
 
-
 
 
 
-
 
   Diluted-weighted average shares
 
 
17,872
 
 
 
17,534
 
 
 
17,799
 
 
 
17,490
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic income (loss) per common share
 
$
0.06
 
 
$
(0.19
)
 
$
(0.26
)
 
$
(0.64
)
Diluted income (loss) per common share
 
$
0.06
 
 
$
(0.19
)
 
$
(0.26
)
 
$
(0.64
)

During the three months ended June 30, 2012 and 2011, options totaling 400,000 and 443,000 shares, respectively, were outstanding but were not included in the calculation of diluted weighted average shares, as their effect would be anti-dilutive.  During the six months ended June 30, 2012 and 2011, options totaling 381,000 and 479,000 shares, respectively, were not included in the calculation of diluted weighted average share, as their effect would be anti-dilutive.  As of June 30, 2012 and 2011, the Company has outstanding 527,000 and 390,000 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.