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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Earnings (Loss) Per Share
The computations of basic and diluted EPS were as follows:
(in thousands, except per share basis)
 
For the Year Ended December 31,
 
 
2017
 
2016
 
2015 (Restated)
 
2014 (Restated)
Numerator:
 
 
 
 
 
 
 
 
Net (loss) income
 
$
(47,612
)
 
$
(47,472
)
 
$
(2,891
)
 
$
21,477

Less: Deemed dividend on Series B convertible preferred stock
 
(37,860
)
 
—

 
—

 
—

Net (loss) income available to common stockholders - basic
 
(85,472
)
 
(47,472
)
 
(2,891
)
 
21,477

Exclude (gain) loss from change in fair value of warrants
 
—

 
(1,413
)
 
(9,300
)
 
(6,170
)
Net (loss) income available to common stockholders - diluted
 
$
(85,472
)
 
$
(48,885
)
 
$
(12,191
)
 
$
15,307

 
 
 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
 
 
Shares used in computing net (loss) income per share:
 
 
 
 
 
 
 
 
Weighted-average basic shares outstanding
 
13,787

 
10,931

 
10,808

 
10,705

Effect of dilutive securities
 
—

 
—

 
183

 
426

Weighted-average common shares outstanding — diluted
 
13,787

 
10,931

 
10,991

 
11,131

 
 
 
 
 
 
 
 
 
(Loss) earnings per common share:
 
 
 
 
 
 
 
 
(Loss) earnings per share — basic
 
$
(6.20
)
 
$
(4.34
)
 
$
(0.27
)
 
$
2.01

(Loss) earnings per share — diluted
 
$
(6.20
)
 
$
(4.47
)
 
$
(1.11
)
 
$
1.38