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Financial Expenses, Net (Tables)
 6 Months Ended
Jun. 30, 2020
Disclosure Text Block Supplement [Abstract]  
Schedule of financial expenses, net
   Six months ended
June 30,		 
   2020   2019 
         
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