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Financial Expenses (Income) - Schedule of Financial Expenses (Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Investments, All Other Investments [Abstract]        
Bank fees $ 3 [1] $ 4 [1]
Exchange rate differences 19 15 60 1
Other financial income (1) (4)
Financial expenses (income) $ 21 $ 15 $ 60 $ 1
[1] Represents an amount less than $1.