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Earnings per Share
 6 Months Ended
Jun. 30, 2011
Earnings Per Share [Abstract]  
Earnings Per Share [Text Block]
Earnings Per Share


The following table details the reconciliation of basic earnings per share to diluted earnings per share (amounts in thousands except per share amounts):
 
Three months ended
June 30,
 
Six months ended June 30,
 
2011
 
2010
 
2011
 
2010
Numerator:
 
 
 
 
 
 
 
Net income (loss) for basic earnings per share
$
(645
)
 
$
299


 
$
(867
)
 
$
300


Less:
 
 
 
 
 
 
 
Change in fair value of warrant derivative liability
—


 
2


 
—


 
16


Net loss for diluted earnings per share
$
(645
)
 
$
297


 
$
(867
)
 
$
284


 
 
 
 
 
 
 
 
Denominator:
 


 
 


 
 
 
 
Weighted-average basic and diluted common shares outstanding
16,962


 
16,393


 
16,962


 
16,299


Assumed conversion of dilutive securities:
 


 
 


 
 
 
 
  Stock options
—


 
262


 
—


 
303


  Stock warrants
—


 
465


 
—


 
480


  Restricted stock units
—


 
—


 
—


 
—


Potentially dilutive common shares
—


 
727


 
—


 
783


 
 
 
 
 
 
 
 
Denominator for diluted earnings per share -- Adjusted weighted average shares
16,962


 
17,120


 
16,962


 
17,082


 
 
 
 
 
 
 
 
Earnings (loss) per common share:
 
 
 
 
 
 
 
Basic
$
(0.04
)
 
$
0.02


 
$
(0.05
)
 
$
0.02


Diluted
$
(0.04
)
 
$
0.02


 
$
(0.05
)
 
$
0.02




For purposes of this calculation, outstanding stock options, stock warrants, and unvested restricted stock units are considered common stock equivalents using the treasury stock method, and are the only such equivalents outstanding.  For the six months ended June 30, 2011, options to purchase approximately 2.6 million shares of common stock, warrants to purchase 475,000 shares of common stock and approximately 34,000 unvested restricted stock units were excluded from the calculation as their impact would be anti-dilutive.