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Loss Per Share (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
Details in the computation of basic and diluted loss per share is as follows:
 
Three months ended September 30,
 
Nine months ended  September 30,
($ in thousands except share and per share data)
2018
 
2017
 
2018
 
2017
Loss per share - basic:
 
 
 
 
 
 
 
Net loss
$
(2,859
)
 
$
(115
)
 
$
(8,654
)
 
$
(19,140
)
Less: Dividend paid in-kind to preferred stockholders
(85
)
 
(82
)
 
(250
)
 
(182
)
Less: Deemed dividend on preferred stock
(130
)
 
(111
)
 
(377
)
 
(3,981
)
Net loss attributable to common stockholders - basic
$
(3,074
)
 
$
(308
)
 
$
(9,281
)
 
$
(23,303
)
 
 
 
 
 
 
 
 
Numerator for basic loss per share
$
(3,074
)
 
$
(308
)
 
$
(9,281
)
 
$
(23,303
)
Denominator for basic loss per share
9,234,869

 
2,945,035

 
7,107,678

 
2,942,202

Basic loss per common share
$
(0.33
)
 
$
(0.10
)
 
$
(1.31
)
 
$
(7.92
)
 
 
 
 
 
 
 
 
Loss per share - diluted:
 
 
 
 
 

 
 

Numerator for basic loss per share
$
(3,074
)
 
$
(308
)
 
$
(9,281
)
 
$
(23,303
)
Adjust: Warrant revaluation income for dilutive warrants
—

 
46

 
—

 
—

Net loss attributable to common stockholders - diluted
$
(3,074
)
 
$
(354
)
 
$
(9,281
)
 
$
(23,303
)
 
 
 
 
 
 
 
 
Denominator for basic loss per share
9,234,869

 
2,945,035

 
7,107,678

 
2,942,202

Adjust: Incremental shares underlying dilutive “in the money” warrants outstanding
—

 
3,255

 
—

 
—

Denominator for diluted loss per share
9,234,869

 
2,948,290

 
7,107,678

 
2,942,202

Diluted net loss per common share
$
(0.33
)
 
$
(0.12
)
 
$
(1.31
)
 
$
(7.92
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following potentially dilutive securities have been excluded from the computations of diluted weighted-average shares outstanding, as their effect would be anti-dilutive: 
 
Three months ended September 30,
 
Nine months ended  September 30,
 
2018
 
2017
 
2018
 
2017
“In the money” stock options
—

 
62,168

 
36,000

 
41,768

“Out of the money” stock options
289,514

 
161,102

 
253,514

 
152,688

“In the money” warrants
—

 
—

 
958,152

 
9,286

“Out of the money” warrants
7,497,642

 
2,072,951

 
6,539,490

 
2,072,951

Shares underlying convertible notes
1,056,068

 
1,056,068

 
1,056,068

 
1,056,068

Shares underlying convertible accrued interest on convertible notes
90,472

 
45,734

 
90,472

 
45,734

Shares underlying convertible preferred stock
728,000

 
704,000

 
728,000

 
704,000