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Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of significant assets and liabilities that are measured at fair value on recurring basis
  December 31, 2020 
   Fair value hierarchy 
   Level 1   Level 2   Level 3 
Financial assets               
Investment in marketable securities   -    59    - 

 

   December 31, 2020 
   Fair value hierarchy 
   Level 1   Level 2   Level 3 
Financial liabilities               
Warrants and derivative   -    1    - 

 

   December 31, 2019 
   Fair value hierarchy 
   Level 1   Level 2   Level 3 
Financial assets               
Investment in marketable securities   -    26    - 

 

   December 31, 2019 
   Fair value hierarchy 
   Level 1   Level 2   Level 3 
Financial liabilities               
Warrants derivative   -    328    -