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Income Taxes - (Tables)
3 Months Ended
Mar. 31, 2013
Income Taxes [Abstract]  
Schedule of effective tax rate [Table Text Block]
The following table provides details of income taxes:


Three Months Ended
 
March 31,
 
2013
 
2012
Income (loss) before income taxes
$
(255
)
 
$
2,873

Provision (benefit) for income taxes
$
(648
)
 
$
1,011

Effective tax rate
254.1
%
 
35.2
%