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Earnings Per Common Share (Tables)
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Computations of basic and diluted earnings (loss) per common share
The following tables set forth the computations of basic and diluted earnings (loss) per common share for the three months ended March 31, 2014 and 2013 (in thousands, except per share data):
 
 
 
Three Months Ended March 31,
Basic earnings (loss) per common share:
 
2014
 
2013
Numerator:
 
 
 
 
Net loss
 
$
(3,674
)
 
$
(497
)
 
 
 
 
 
Denominator:
 
 
 
 
Weighted-average common shares outstanding
 
30,159

 
28,770

 
 
 
 
 
Basic earnings (loss) per common share
 
$
(0.12
)
 
$
(0.02
)

 
 
Three Months Ended March 31,
Diluted earnings (loss) per common share:
 
2014
 
2013
Numerator:
 
 
 
 
Net loss
 
$
(3,674
)
 
$
(497
)
 
 
 
 
 
Denominator:
 
 
 
 
Weighted-average common shares outstanding
 
30,159

 
28,770

 Incremental shares from stock-based compensation plans
 
—

 
—

Denominator for diluted earnings (loss) per common share
 
30,159

 
28,770

 
 
 
 
 
Diluted earnings (loss) per common share
 
$
(0.12
)
 
$
(0.02
)