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Net Income (Loss) per Share of Common Stock (Tables)
 3 Months Ended
Mar. 31, 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 March 31,
(dollars in thousands, except earnings per share)
 
2018
 
2017
Numerator for earnings per share:
 
 
 
 
Net loss that is available to common shareholders
 
$
(2,961
)
 
$
(6,570
)
 
 
 
 
 
Denominator for basic earnings per share:
 
 
 
 
Weighted average shares outstanding
 
22,086,640

 
21,938,735

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

 
—

Adjusted weighted average shares and assumed conversions
 
22,086,640

 
21,938,735

 
 
 
 
 
Basic loss per share
 
$
(0.13
)
 
$
(0.30
)
 
 
 
 
 
Diluted loss per share
 
$
(0.13
)
 
$
(0.30
)
 
 
 
 
 
Shares excluded from diluted loss per share due to:
 
 
 
 
Net loss position (excluded from denominator)
 
79,951

 
153,750

Inclusion would have been anti-dilutive (excluded from calculation)
 
1,006,899

 
615,587