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Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Goodwill [Abstract]    
Balance at the begiinning of the year $ 518 $ 530
Increase due to increase in holding 20  
Impairment on goodwill (481)  
Effect of translation adjustments 12 (12)
Balance at the end of the year $ 69 $ 518