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Equity Method Investments (Tables)
9 Months Ended
Sep. 30, 2015
Schedule of Results of Operations Attributable to the Company from the Joint Ventures in Which it is Invested [Table Text Block]
    Nine months ended  
    September 30,  
    2015     2014  
             
Revenues $ 654   $ 46  
Operating income (loss) $ 105   $ (53 )