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Cash and Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2016
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents |
|  | December 31 |
|  | 2015 |  |  | 2016 |
|  | US$ thousands |
Cash |  |  | 12,329 |  |  |  | 5,858 |
Cash equivalents * |  |  | 5,849 |  |  |  | 6,059 |
|  |  | 18,178 |  |  |  | 11,917 |
| * | Comprised mainly of deposits in banks as at December 31, 2015 and 2016 carrying a weighted average interest rate of 0.11% and 0.30%, respectively.

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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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