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Earnings per Share
 12 Months Ended
Dec. 31, 2016
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 common shares which, in the Company's case, include shares issuable under the equity compensation plans described in Note 12 of the consolidated financial statements. The weighted average number of diluted shares does not include potential anti-dilutive common shares aggregating 653,000, 643,000 and 503,000 at December 31, 2016, 2015 and 2014, 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.

Basic earnings and diluted weighted-average shares outstanding are as follows for the years ended December 31 (in thousands):
 
2016
 
2015
 
2014
Numerator:
 
 
 
 
 
Income (loss) from continuing operations
$
33,719

 
$
23,476

 
$
(81,792
)
Loss from discontinued operations
(44
)
 
(28
)
 
(32
)
Net income (loss) available to common shareholders
$
33,675

 
$
23,448

 
$
(81,824
)
Denominator for basic earnings per share:
 
 
 
 
 
Weighted average shares outstanding
31,536

 
31,233

 
31,066

Denominator for diluted earnings per share:
 
 
 
 
 
Common stock options and restricted stock
533

 
312

 
—

Weighted average shares and conversions
32,069

 
31,545

 
31,066



For the year ended December 31, 2014, 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 calculation because the effect would have been anti-dilutive was 211,000 for the year ended December 31, 2014.