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Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2015
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The following table summarizes income tax (benefit) expense on loss from continuing operations and the effective tax rate for the three- and six-month periods ended June 30, 2015 and 2014: 
 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2015

2014
 
2015
 
2014
(Benefit) provision for income tax
$
(177
)
 
$
65

 
$
(250
)
 
$
131

Effective income tax rate
2.6
%
 
(6.0
)%
 
2.3
%
 
(8.7
)%