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Employees' Rights Upon Retirement (Tables) | 12 Months Ended
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Dec. 31, 2018
Employees' Rights Upon Retirement [Abstract] |
Summary of amounts accrued and the portions funded, with severance pay funds and by the insurance policies |
|  | December 31, |
|  | 2 0 1 8 |  |  | 2 0 1 7 |
|  | U.S. dollars in thousands |
Accrued severance pay |  | $ | 1,517 |  |  | $ | 1,712 |
Less - amounts funded (presented in “investment and other non-current assets”) |  |  | (1,439 | ) |  |  | (1,642 | )
Unfunded balance |  | $ | 78 |  |  | $ | 70 |

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