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Basic and Diluted Earnings Per Share (“EPS”) Data (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share, Basic and Diluted [Abstract]  
Schedule of Calculation of Numerator and Denominator in EPS
The following table reconciles the denominator used to compute basic EPS to the denominator used to compute diluted EPS for the indicated periods:
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2017
 
2016
 
2017
 
2016
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
Net loss
$
(7,891
)
 
$
(7,484
)
 
$
(14,728
)
 
$
(12,301
)
Denominator:
 
 
 
 
 
 
 
Basic weighted-average shares
18,739

 
19,174

 
18,709

 
19,427

Dilutive effect of share-based awards
—

 
—

 
—

 
—

Diluted weighted-average shares
18,739

 
19,174

 
18,709

 
19,427

Earnings (loss) per common share:
 
 
 
 
 
 
 
Basic
$
(0.42
)
 
$
(0.39
)
 
$
(0.79
)
 
$
(0.63
)
Diluted
$
(0.42
)
 
$
(0.39
)
 
$
(0.79
)
 
$
(0.63
)