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Financial Expenses, Net (Details) - Schedule of financial expenses, net - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Schedule of financial expenses, net [Abstract]    
Interest expense and amortization of discount on convertible notes $ 621 $ 184
Bank fees 1
Change in fair value of derivative warrant liability 1,065
Exchange rate differences (4) 1
Total financial expenses, net $ 1,683 $ 185