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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of significant unobservable inputs (Level 3 inputs) used in measuring the warrants
   June 30,
2020
   December 31,
2019
 
Exercise price  $6.72    $2.55-$4.74 
Expected volatility   75%   72.29%
Risk free rate   0.29%   1.5%-1.67% 
Expected life (years)   5    4.65-5 
Dividend yield   0%   0%
Balance as of December 31, 2019  $447 
      
Changes in fair value   1,065 
      
Balance as of June 30, 2020  $1,512