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Earnings per Share
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Earnings per Share
EARNINGS PER SHARE
Basic earnings per share is based on the weighted average number of common shares outstanding. Diluted earnings per share is based on the weighted average number of common shares outstanding, as well as dilutive potential common shares which, in the Company’s case, include shares issuable under the equity compensation plans described in Note 11 of the consolidated financial statements. The weighted average number of shares and conversions utilized in the calculation of diluted earnings per share does not include potential anti-dilutive common shares aggregating 503,000, 762,000, and 973,000 at December 31, 2014, 2013, and 2012, respectively. The treasury stock method is used to calculate dilutive shares, which reduces the gross number of dilutive shares by the number of shares purchasable from the proceeds of the options assumed to be exercised and the unrecognized expense related to the restricted stock and restricted stock awards assumed to have vested.

The following table sets forth the computation of basic and diluted earnings per share for the years ended December 31 (in thousands):
 
2014
 
2013
 
2012
Numerator:
 
 
 
 
 
(Loss) income from continuing operations
$
(81,792
)
 
$
(5,629
)
 
$
12,650

(Loss) income from discontinued operations
(32
)
 
(4
)
 
(5
)
Net (loss) income available to common shareholders
$
(81,824
)
 
$
(5,633
)
 
$
12,645

Denominator for basic earnings per share:
 
 
 
 
 
Weighted average shares outstanding
31,066

 
30,930

 
30,752

Denominator for diluted earnings per share:
 
 
 
 
 
Common stock options and restricted stock
—

 
—

 
105

Weighted average shares and conversions
31,066

 
30,930

 
30,857


For the years ended December 31, 2014 and 2013, all stock options, unvested restricted stock, and unvested restricted stock units were anti-dilutive and, therefore, not included in the dilutive loss per share calculations. The number of weighted average stock options, unvested restricted stock, and unvested restricted stock units that were not included in the dilutive loss per share calculations because the effect would have been anti-dilutive was 211,000 and 177,000 shares for the years ended December 31, 2014 and 2013, respectively.