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Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Schedule of weighted average common shares outstanding
The following is a reconciliation of the weighted-average common shares outstanding used for the computation of basic and diluted net income (loss) per common share:
 
Three Months Ended
September 30, 2018
Three Months Ended
September 30, 2017
 
Nine Months Ended
September 30, 2018
Nine Months Ended
September 30, 2017
Basic weighted-average common shares outstanding
49,853,181

49,676,923

 
49,671,648

49,852,337

Effect of dilutive options, performance stock units and restricted stock
456,798

492,511

 

282,254

Diluted weighted-average shares outstanding
50,309,979

50,169,434

 
49,671,648

50,134,591

Amounts that could potentially dilute basic earnings per share
The following represents amounts that could potentially dilute basic earnings per share in the future:
(in thousands, except share data)
Three Months Ended
September 30, 2018
Three Months Ended
September 30, 2017
 
Nine Months Ended
September 30, 2018
Nine Months Ended
September 30, 2017
Stock-based compensation awards(1):
 
 
 
 
 
Stock options
322,158

577,500

 
322,158

577,500

Restricted stock to non-directors
336,286


 
278,289


Restricted stock to directors
84,427


 
72,655


Warrants:
 
 
 
 
 
Private placement warrants
6,160,000

6,160,000

 
6,160,000

6,160,000

Public warrants
9,823,072

9,823,072

 
9,823,072

9,823,072


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(1)        
SARs and Phantom Shares are payable in cash so will have no impact on number of shares