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Net Income (Loss) per Share of Common Stock (Tables)
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The following table sets forth the computation of basic and diluted loss per share:
 
 
Three months ended September 30,
 
Nine months ended September 30,
(dollars in thousands, except earnings per share)
 
2018
 
2017
 
2018
 
2017
Numerator for earnings per share:
 
 
 
 
 
 
 
 
Net loss that is available to common shareholders
 
$
(4,959
)
 
$
(78,815
)
 
$
(3,932
)
 
$
(86,217
)
 
 
 
 
 
 
 
 
 
Denominator for basic earnings per share:
 
 
 
 
 
 
 
 
Weighted average shares outstanding
 
22,222,827

 
22,075,318

 
22,162,237

 
22,015,008

 
 
 
 
 
 
 
 
 
Denominator for diluted earnings per share:
 
 
 
 
 
 
 
 
Effect of stock options and restricted stock units
 
—

 
—

 
—

 
—

Adjusted weighted average shares and assumed conversions
 
22,222,827

 
22,075,318

 
22,162,237

 
22,015,008

 
 
 
 
 
 
 
 
 
Basic loss per share
 
$
(0.22
)
 
$
(3.57
)
 
$
(0.18
)
 
$
(3.92
)
 
 
 
 
 
 
 
 
 
Diluted loss per share
 
$
(0.22
)
 
$
(3.57
)
 
$
(0.18
)
 
$
(3.92
)
 
 
 
 
 
 
 
 
 
Shares excluded from diluted loss per share due to:
 
 
 
 
 
 
 
Net loss position (excluded from denominator)
 
384,885

 
63,488

 
164,378

 
92,051

Inclusion would have been anti-dilutive (excluded from calculation)
 
563,903

 
893,198

 
669,496

 
780,062