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Financial Income (Expenses), Net
 12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
Financial Income (Expenses), Net
Note 15 - Financial Income (Expenses), Net
 
 
Year ended December 31
 
 
 
2019
 
 
2020
 
 
2021
 
 
 
US$ thousands
 
 
 
 
 
 
 
 
 
 
 
Interest income
 
 
2,295
 
 
 
2,197
 
 
 
1,548
 
Discount on marketable securities, net
 
 
(144
)
 
 
(244
)
 
 
(621
)
Exchange rate differences, net
 
 
(357
)
 
 
(748
)
 
 
(1,031
)
Bank charges
 
 
(148
)
 
 
(171
)
 
 
(48
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1,646
 
 
 
1,034
 
 
 
(152
)