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Loss Per Share (Tables)
 12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Schedule of computation of basic and diluted earnings per share
Details in the computation of basic and diluted loss per share were as follows:
 
For the Year Ended December 31,
($ in thousands except share and per share data)
2016
 
2015
Loss per share — Basic:
 
 
 

Numerator for basic loss per share
$
(15,292
)
 
$
(34,453
)
Denominator for basic loss per share
43,924,404

 
42,178,397

Basic loss per common share
$
(0.35
)
 
$
(0.82
)
Loss per share — Diluted:
 

 
 

Numerator for basic loss per share
$
(15,292
)
 
$
(34,453
)
Adjust: Warrant revaluation income for dilutive warrants
1,958

 
1,529

Numerator for diluted loss per share
$
(17,250
)
 
$
(35,982
)
 
 
 
 
Denominator for basic loss per share
43,924,404

 
42,178,397

Plus: Incremental shares underlying “in the money” warrants outstanding
18,017

 
172,949

Denominator for diluted loss per share
43,942,421

 
42,351,346

Diluted loss per common share
$
(0.39
)
 
$
(0.85
)
Securities excluded from calculation of weighted-average shares outstanding
The following potentially dilutive securities have been excluded from the computations of diluted weighted-average shares outstanding, as their effect would be anti-dilutive:
 
For the Year Ended December 31,
 
2016
 
2015
“In the money” stock options
450,350

 
1,888,348

“Out of the money” stock options
3,655,467

 
1,173,590

“In the money” warrants
53,572

 
897,244

“Out of the money” warrants
13,146,825

 
4,721,408

Shares underlying convertible notes
15,913,612

 
—

Shares underlying accrued interest on convertible notes
120,429

 
—