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Financial Income (Expenses), Net
12 Months Ended
Dec. 31, 2015
Other Income and Expenses [Abstract]  
Financial Income (Expenses), Net
Note 13 - Financial Income (Expenses), Net
 
   
Year ended December 31
 
   
2013
   
2014
   
2015
 
   
US$ thousands
 
                   
Interest income
    1,290       1,266       1,026  
Discount on marketable securities, net
    (643 )     (758 )     (561 )
Exchange rate differences, net
    (89 )     (95 )     (148 )
Bank charges
    (154 )     (150 )     (97 )
                         
      404       263       220