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Earnings Per Common Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings (loss) Per Common Share
Earnings Per Common Share
The following table presents a reconciliation of the numerators and denominators of the basic income per share and diluted income per share computations (amounts in thousands, except per share data):
 
Year ended December 31,
 
2014
 
2013
 
2012
Basic
 
 
 
 
 
Net income (loss)
$
(38,018
)
 
$
(35,932
)
 
$
30,032

 
 
 
 
 
 
Weighted-average shares
63,161

 
62,213

 
61,780

 
 
 
 
 
 
Income (loss) per common share—Basic
$
(0.60
)
 
$
(0.58
)
 
$
0.49

 
 
 
 
 
 
Diluted
 
 
 
 
 
Net income (loss)
$
(38,018
)
 
$
(35,932
)
 
$
30,032

 
 
 
 
 
 
Weighted-average shares
 
 
 
 
 
Outstanding
63,161

 
62,213

 
61,780

Diluted effect of outstanding stock options, restricted stock and restricted stock unit awards
—

 
—

 
982

 
63,161

 
62,213

 
62,762

 
 
 
 
 
 
Income (loss) per common share—Diluted
$
(0.60
)
 
$
(0.58
)
 
$
0.48


Potentially dilutive stock options, restricted stock and restricted stock unit awards representing a total of 3,949,464, 5,507,765 and 4,311,645 shares of common stock for the years ended December 31, 2014, 2013 and 2012, respectively, were excluded from the computation of diluted weighted average shares outstanding due to their antidilutive effect.