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Inventories (Details) - Schedule of inventories - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Schedule of inventories [Abstract] |  |
Raw materials | $ 116 | $ 120
Inventory in progress | 1,299 | 1,285
Finished goods | 4,389 | 4,906
Net – advances from customers | (933) | (904)
Inventories | $ 4,871 | $ 5,407

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