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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of change in the fair value of the preferred share warrants liability
   December 31, 
   2020   2019 
         
Beginning of year  $12,241   $22,926 
Issuance of warrants   -    680 
Change in fair value   11,373    (11,365)
Reclassification of Warrants into equity   (23,614)   - 
           
End of period  $-   $12,241