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Other Income (Expense)
6 Months Ended
Jun. 30, 2012
Other Income and Expenses [Abstract]  
Other Income and Other Expense Disclosure [Text Block]
9. Other Income (Expense)

 

    Three Months Ended June 30,     Six Months Ended June 30,  
    2012     2011     2012     2011  
Other income (expense)   $ 21     $ 19     $ 16     $ 91  
Foreign currency gain (loss)     197       429       (844 )     671  
Gain (loss) on sale of assets     (4 )           19        
    $ 214     $ 448     $ (809 )   $ 762