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(Loss) Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Number of Common Shares Used in Calculation of Basic and Diluted Earnings Per Share (EPS)
A reconciliation of the number of common shares used in the calculation of basic and diluted (loss) earnings per share is presented below:
 
 
Years Ended December 31,
 
 
2017
 
2016
 
2015
 
 
Shares
 
Per-Share
Amount
 
Shares
 
Per-Share
Amount
 
Shares
 
Per-Share
Amount
Basic (loss) earnings per share
 
16,711,534

 
$
(0.87
)
 
16,654,786

 
$
0.67

 
17,288,665

 
$
0.74

Effect of dilutive securities
 
—

 
—

 
26,924

 
—

 
100,808

 
—

Diluted (loss) earnings per share
 
16,711,534

—

$
(0.87
)
 
16,681,710

 
$
0.67

 
17,389,473

 
$
0.74

Securities excluded from the determination of weighted average shares for the calculation of diluted (loss) earnings per share, as they were potentially antidilutive
 
1,049,563

 
 
 
1,046,947

 
 
 
870,421