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Earnings (Loss) Per Share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table sets forth net income (loss) and the basic and diluted shares used to calculate earnings per share (in thousands):
 
Three Months Ended
March 31,
 
2017
 
2016
Net income (loss)
$
2,459

 
$
(1,990
)
 
 
 
 
Basic - weighted average shares outstanding
42,977

 
42,703

Weighted average effect of dilutive potential securities
1,693

 
—

Diluted - weighted average shares outstanding
44,670

 
42,703

 
 
 
 
Anti-dilutive securities
4,585

 
—