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Long Term Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Long Term Assets [Abstract] |  |
Prepaid expenses related to SEDA (see Note 14a2) | $ 112 | $ 140
Other | 65 | 80
Long Term Assets | $ 177 | $ 220

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