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Net Income (Loss) per Share of Common Stock (Tables)
 3 Months Ended
Mar. 31, 2014
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 earnings (loss) per share:
 
Three months ended March 31,
(dollars in thousands, except earnings per share)
2014
 
2013
Numerators for earnings per share:
 
 
 
Net income (loss) that is available to common shareholders
$
(3,384
)
 
$
1,989

 
 
 
 
Denominator for basic earnings per share:
 
 
 
Weighted average shares outstanding
21,523,077

 
21,114,963

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

 
478,785

Adjusted weighted average shares and assumed conversions
21,523,077

 
21,593,748

 
 
 
 
Basic earnings (loss) per share
$
(0.16
)
 
$
0.09

 
 
 
 
Diluted earnings (loss) per share
$
(0.16
)
 
$
0.09

 
 
 
 
Shares excluded from diluted earnings (loss) per share due to:
 
 
 
Net loss position (excluded from denominator)
418,344

 
—

Inclusion would have been anti-dilutive (excluded from calculation)
382,109

 
783,843