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Warrants (Tables)
 6 Months Ended
Jun. 30, 2021
Warrants Disclosure [Abstract]  
Schedule of the outstanding warrants
Warrants holder  Investor
Warrants		   Placement
Agent
Warrants		 
Appraisal Date (Inception Date)  December 10,
2020		   December 10,
2020		 
Market price per share (USD/share)  $5.36   $5.36 
Exercise price (USD/price)   6.46    6.475 
Risk free rate   0.2%   0.2%
Dividend yield   0.0%   0.0%
Expected term/ Contractual life (years)   3.0 years    3.5 years 
Expected volatility   211.5%   211.5%

 

Appraisal Date  December 31,
2020		   December 31,
2020		 
Market price per share (USD/share)  $        5.06   $       5.06 
Exercise price (USD/price)   6.46    6.475 
Risk free rate   0.2%   0.2%
Dividend yield   0.0%   0.0%
Expected term/ Contractual life (years)   2.9 years    3.4 years 
Expected volatility   187.6%   187.6%

 

Appraisal Date  June 30,
2021		   June 30,
2021		 
Market price per share (USD/share)  $

4.71

   $4.71 
Exercise price (USD/price)   

6.46

    

6.475

 
Risk free rate   0.3%   0.5%
Dividend yield   0.0%   0.0%
Expected term/ Contractual life (years)   

2.44 years

    

2.94 years

 
Expected volatility   132.3%   

130.1

%

 
Schedule of warrants issued
Warrants holder  Investor Warrants   Placement
Agent
Warrants		 
Appraisal Date (Inception Date)  Series A1
February 10,
2021		   Series A2
February 10,
2021		   Series B February 10,
2021		   February 10,
2021		 
Market price per share (USD/share)  $7.36   $7.36   $7.36   $7.36 
Exercise price (USD/price)   7.67    7.67    7.83    9.204 
Risk free rate   0.2%   0.3%   0.0%   0.2%
Dividend yield   0.0%   0.0%   0.0%   0.0%
Expected term/ Contractual life (years)   3.5 years    3.8 years    0.3 years    3.5 years 
Expected volatility   121.8%   119.5%   214.5%   121.8%

 

Warrants holder  Investor Warrants   Placement Agent Warrants 
Appraisal Date  Series A1
June 30,
2021		   Series A2
June 30,
2021		   Series B
June 30,
2021		   June 30,
2021		 
Market price per share (USD/share)  $4.71    4.71    4.71    4.71 
Exercise price (USD/price)   7.67    7.67    7.83    9.204 
Risk free rate   0.5%   0.5%   0.0%   0.5%
Dividend yield   0.0%   0.0%   0.0%   0.0%
Expected term/ Contractual life (years)   3.11 years    3.36 years    0.17 years    3.11 years 
Expected volatility   127.1%   123.3%   57.5%   127.1%

 
Schedule of warrants liability measured at fair value on a recurring basis using Level 3 inputs
   December 31, 2020   June 30,
2021		 
Balance at the beginning of period  $
-
   $17,783,000 
Warrants issued to institution investors   17,980,000    47,519,000 
Warrants issued to placement agent   1,875,000    2,346,000 
Warrants redeemed   
-
    
-
 
Fair value change of warrants included in earnings   (2,072,000)   (34,176,000)
   $17,783,000   $33,472,000 

 
Schedule of the warrant activity
    Number of
Warrants		     Average
Exercise Price		     Weighted
Average
Remaining
Contractual
Term in
Years		  
                   
Outstanding at January 1, 2021     4,175,512     $ 6.46       3.0  
Exercisable at January 1, 2021     3,795,920     $ 6.46       2.9  
Granted     11,621,967       7.79       2.3  
Exercised / surrendered    
-
      
-
          
Expired    
-
      
-
          
Outstanding at June 30, 2021     15,797,479        7.44        2.15   
Exercisable at June 30, 2021     15,350,480        7.39        2.12