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Discontinued Operations (Tables)
9 Months Ended
Sep. 30, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
 
Three Months Ended
 
Nine Months Ended
 
September 30,
 
September 30,
 
2014
 
2013
 
2014
 
2013
Revenues
$

 
$
10,680

 
$

 
$
37,296

Income (loss) before income taxes
$
3

 
$
1,087

 
$
(80
)
 
$
1,398

Provision (benefit) for income taxes
$
11

 
$
408

 
$
(31
)
 
$
638

Net income (loss)
$
(8
)
 
$
679

 
$
(49
)
 
$
760