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Intangible Assets | 12 Months Ended
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Dec. 31, 2018
Intangible Assets, Net (Excluding Goodwill) [Abstract] |
Intangible Assets |
Note 9 - Intangible Assets |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |
Net intangible assets as of December 31, 2018 are as follows: |  |  |  |
|  |  |  |  | December 31 |
|  |  |  |  | 2017 |  |  | 2018 |
|  | Useful life |  |  | US$ thousands |
Original cost: |  |  |  |  |  |  |  |  |
Current technology |  |  | 3 |  |  |  | 3,844 |  |  |  | 3,832 |
Customer relationships |  |  | 3 |  |  |  | 1,937 |  |  |  | 1,937 |
Capitalization of software development costs |  |  | 3 |  |  |  | - |  |  |  | 928 |
Licenses |  |  | 3 |  |  |  | - |  |  |  | 106 |
|  |  |  |  |  |  | 5,781 |  |  |  | 6,803 |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |
Current technology |  |  |  |  |  |  | 3,181 |  |  |  | 3,832 |
Customer relationships |  |  |  |  |  |  | 1,553 |  |  |  | 1,937 |
Capitalization of software development costs |  |  |  |  |  |  | - |  |  |  | 37 |
Licenses |  |  |  |  |  |  | - |  |  |  | 31 |
|  |  |  |  |  |  | 4,734 |  |  |  | 5,837 |
Intangible assets, Net: |  |  |  |  |  |  |  |  |  |  |  |
Current technology |  |  |  |  |  |  | 663 |  |  |  | - |
Customer relationships |  |  |  |  |  |  | 384 |  |  |  | - |
Capitalization of software development costs |  |  |  |  |  |  | - |  |  |  | 891 |
Licenses |  |  |  |  |  |  | - |  |  |  | 75 |
|  |  |  |  |  |  | 1,047 |  |  |  | 966 |
Amortization expense for the years ended December 31, 2016, 2017 and 2018 were US$ 2,240 thousand, US$ 1,888 thousand and US$ 1,103 thousand, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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- References No definition available. + Details
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