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Basis of Presentation (Tables)
 9 Months Ended
Sep. 30, 2015
Accounting Policies [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth the calculations of basic and diluted earnings per share:
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
(in thousands, except per share amounts)
 
2015
 
2014
 
2015
 
2014
Net loss
 
$
(8,654
)
 
$
(3,699
)
 
$
(27,233
)
 
$
(3,290
)
Less: Undistributed loss allocated to participating securities
 
(87
)
 
(52
)
 
(274
)
 
(46
)
Loss attributable to common stockholders
 
$
(8,567
)
 
$
(3,647
)
 
$
(26,959
)
 
$
(3,244
)

 


 


 


 


Basic weighted-average common shares outstanding (1)
 
21,687

 
21,536

 
21,757

 
21,522

Add: dilutive effect of equity instruments
 
—

 
—

 
—

 
—

Diluted weighted average shares outstanding
 
21,687

 
21,536

 
21,757

 
21,522

Loss per common share - basic
 
$
(0.40
)
 
$
(0.17
)
 
$
(1.24
)
 
$
(0.15
)
Loss per common share - diluted
 
$
(0.40
)
 
$
(0.17
)
 
$
(1.24
)
 
$
(0.15
)
(1) The number of shares and per share amounts have been retroactively restated to reflect the two-for-one stock split of the Company’s common stock, which was effected in the form of a common stock dividend distributed on March 14, 2014.
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The table below shows the number of shares that were excluded from the calculation of diluted loss per share because their inclusion would have been anti-dilutive to the calculation:
 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
(share data in thousands)
 
2015
 
2014
 
2015
 
2014
Stock options
 
6

 
70

 
14

 
108

Restricted stock awards
 
165

 
231

 
171

 
276

Performance share units
 
169

 
177

 
186

 
188

Stock appreciation rights
 
—

 
—

 
—

 
—

Total shares excluded from diluted shares outstanding
 
340

 
478

 
371

 
572