Net Income (Loss) per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2012

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 September 30,				Nine months ended September 30,
(dollars in thousands, except earnings per share)	2012		2011		2012		2011
Numerators for earnings per share —
—Net income (loss) that is available to common shareholders	$	14,861	$	7,127	$	5,359	$	21,532
Denominator for basic earnings per share —
Weighted average shares outstanding	20,896,291		20,181,558		20,834,742		20,079,412
Effect of stock options and restricted stock units	464,195		457,247		432,535		524,769
Effect of warrants	—		76,341		—		122,295
Total effect of dilutive securities	464,195		533,588		432,535		647,064
Denominator for diluted earnings per share —
—Adjusted weighted average shares and assumed conversions	21,360,486		20,715,146		21,267,277		20,726,476
Basic earnings (loss) per share	$	0.71	$	0.35	$	0.26	$	1.07
Diluted earnings (loss) per share	$	0.70	$	0.34	$	0.25	$	1.04