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Description of Business and Basis of Presentation Description of Business and Basis of Presentation (Tables)
12 Months Ended
Dec. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
 
 
Years Ended December 31,
 
 
2012
 
2011
 
2010
Revenues, net
 
$

 
$

 
$
79,768

 
 
 
 
 
 
 
Income (loss) before income taxes
 
$
498

 
$
822

 
$
(63,311
)
Income tax (expense) benefit
 
(184
)
 
(730
)
 
25,221

Income (loss) from discontinued operations, net of income taxes
 
$
314

 
$
92

 
$
(38,090
)