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General and Administrative Expenses (Tables)
 12 Months Ended
Dec. 31, 2020
General and Administrative Expense [Abstract]  
Schedule of General and Administrative Expenses
    Years ended December 31,  
    2020     2019  
             
Payroll and related expenses   $ 1,500     $ 850  
Government fees     334       199  
Share-based compensation     1,816       968  
Professional services     1,036       1,282  
Insurance     500       266  
Public and investor relations     272       169  
Office and maintenance expenses     126       157  
Travel     62       246  
Other     43       47  
Depreciation     4       8  
    $ 5,693     $ 4,192