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Property, Plant And Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant And Equipment, Net [Abstract]  
Summary Of Property, Plant And Equipment, Net
   
December 31
 
   
2011
   
2012
 
   
US$ thousands
 
Machinery and equipment
    2,873       3,240  
Office furniture and equipment
    294       294  
Leasehold improvements
    336       441  
                 
Property, plant and equipment
    3,503       3,975  
                 
Accumulated depreciation
    (2,666 )     (2,785 )
                 
Property, Plant and equipment, net
    837       1,190