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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment

Composition:

 

   

As of

December 30

   

As of

December 31

 
    2 0 2 0     2 0 1 9  
             
Cost:                
Computers and related equipment   $ 34     $ 34  
Office furniture and equipment     9       9  
      43       43  
                 
Accumulated depreciation     43       38  
                 
Net book value   $ -     $ 5