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Intangible Assets | 12 Months Ended
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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.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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