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Earnings (Loss) Per Common Share (Tables)
 12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Computations of basic and diluted earnings per common share
The following tables set forth the computations of basic and diluted earnings (loss) per common share (in thousands, except per share data):
 
 
 
Years Ended December 31,
Basic earnings (loss) per common share:
 
2013
 
2012
 
2011
Numerator:
 
 
 
 
 
 
Net income (loss)
 
$
(186
)
 
$
5,392

 
$
2,816

 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
Weighted-average common shares outstanding
 
29,169

 
25,566

 
24,634

 
 
 
 
 
 
 
Basic earnings (loss) per common share
 
$
(0.01
)
 
$
0.21

 
$
0.11


 
 
Years Ended December 31,
Diluted earnings (loss) per common share:
 
2013
 
2012
 
2011
Numerator:
 
 
 
 
 
 
Net income (loss)
 
$
(186
)
 
$
5,392

 
$
2,816

 
 
 
 
 
 
 
Denominator:
 
 
 
 
 
 
Weighted-average common shares outstanding
 
29,169

 
25,566

 
24,634

 Incremental shares from stock-based compensation plans
 
—

 
571

 
395

Denominator for diluted earnings per common share
 
29,169

 
26,137

 
25,029

 
 
 
 
 
 
 
Diluted earnings (loss) per common share
 
$
(0.01
)
 
$
0.21

 
$
0.11