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6. Equity (Details 1) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Balance at December 31, 2012     $ (999)  
Current period other comprehensive (loss) (13,367) (11,520) (46,040) (43,708)
Balance at September 30, 2013 (1,016)   (1,016)  
Foreign Exchange
       
Balance at December 31, 2012     (61)  
Current period other comprehensive (loss)     (20)  
Balance at September 30, 2013 (81)   (81)  
Defined Benefit Plan
       
Balance at December 31, 2012     (938)  
Current period other comprehensive (loss)         
Balance at September 30, 2013 (935)   (935)  
Accumulated Other Comprehensive Income Loss
       
Balance at December 31, 2012     (999)  
Current period other comprehensive (loss)     (17)  
Balance at September 30, 2013 $ (1,016)   $ (1,016)