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Stockholders’ Equity and Earnings (Loss) per Share (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Reconciliation of Numerators and Denominators of Basic and Diluted (Loss) Earnings Per Share
A reconciliation of the numerators and denominators of the basic and diluted losses per share computations is as follows:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
(in thousands, except per share data)
2018
 
2017
 
2018
 
2017
Net loss (numerator):
$
(3,937
)
 
$
(5,980
)
 
$
(11,396
)
 
$
(18,553
)
Loss per share:
 
 
 
 
 
 
 
Basic and diluted
$
(0.10
)
 
$
(0.16
)
 
$
(0.30
)
 
$
(0.49
)
Shares (denominator):
 
 
 
 
 
 
 
Weighted average common shares outstanding - basic
38,253

 
37,839

 
38,210

 
37,688

Weighted average common shares outstanding - diluted
38,253

 
37,839

 
38,210

 
37,688