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Intangible Assets
12 Months Ended
Dec. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangible Assets
Note 8 - Intangible Assets
 
                   
         
December 31
 
         
2021
   
2022
 
   
Useful life
   
US$ thousands
 
Original cost:
                 
Capitalization of software development costs
   
8
     
6,546
     
9,081
 
Licenses
   
3
     
565
     
633
 
             
7,111
     
9,714
 
Accumulated amortization:
                       
Capitalization of software development costs
           
2,366
     
2,431
 
Licenses
           
431
     
573
 
             
2,797
     
3,004
 
                         
Intangible assets, net:
                       
Capitalization of software development costs
           
4,180
     
6,650
 
Licenses
           
134
     
60
 
             
4,314
     
6,710
 
Amortization expense for the years ended December 31, 2020, 2021 and 2022 were US$ 378 thousand, US$ 428 thousand and US$ 207 thousand, respectively. The estimates amortization of capitalized software development costs in relation to developments that were available for general release to customers, as of December 31, 2022, are US$ 260 thousand in 2023 and US$ 247 thousand in each of the years 2024 through 2027.