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Earnings (Loss) Per Share
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Earnings (Loss) Per Share
Earnings (Loss) Per Share
Basic earnings (loss) per common share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding for the period. Diluted earnings (loss) per common share is calculated by dividing net income (loss) by the weighted average number of common shares outstanding combined with dilutive common share equivalents outstanding, if the effect is dilutive.
Potentially dilutive securities were excluded from the calculation of diluted loss per share for the year ended December 31, 2017, since including them would have an anti-dilutive effect on loss per share due to the loss from continuing operations incurred during the period. Securities convertible into shares of common stock that were not considered in the diluted loss per share calculations were 0.7 million stock options, before they were converted into common shares during 2017, and 0.7 million restricted stock units.
Basic and diluted earnings (loss) per common share are as follows (in thousands, except per share data):
 
Year ended December 31,
 
2017
 
2016
 
2015
(Loss) income from continuing operations
$
(13,053
)
 
$
1,907

 
$
7,158

Loss from discontinued operations, net of tax
(14,342
)
 
(51,037
)
 
(20,620
)
Net loss - Basic and Diluted
$
(27,395
)
 
$
(49,130
)
 
$
(13,462
)
 
 
 
 
 
 
Weighted average common shares outstanding - Basic
57,580

 
56,087

 
54,459

Assumed conversions:
 
 
 
 
 
Incremental common shares from stock options
—

 
197

 
527

Incremental common shares from restricted stock units
—

 
66

 
6

Weighted average common shares outstanding - Diluted
57,580

 
56,350

 
54,992

 
 
 
 
 
 
Basic earnings (loss) per common share:
 
 
 
 
 
Continuing operations
$
(0.23
)
 
$
0.03

 
$
0.13

Discontinued operations, net of tax
(0.25
)
 
(0.91
)
 
(0.38
)
Basic earnings (loss) per common share
$
(0.48
)
 
$
(0.88
)
 
$
(0.25
)
Diluted earnings (loss) per common share:
 
 
 
 
 
Continuing operations
$
(0.23
)
 
$
0.03

 
$
0.13

Discontinued operations, net of tax
(0.25
)
 
(0.91
)
 
(0.37
)
Diluted earnings (loss) per common share
$
(0.48
)
 
$
(0.88
)
 
$
(0.24
)