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Other Income - (Tables)
3 Months Ended
Mar. 31, 2015
Other Income (Expense) [Abstract]  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
 
Three Months Ended

March 31,
 
2015

2014
Foreign currency exchange losses (gains), net
$
638

 
$
(127
)
Total other expense (income)
$
638

 
$
(127
)