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Unit Purchase Options and Warrants (Tables)
6 Months Ended
Jun. 30, 2021
Unit Purchase Options And Warrants  
Schedule of Fair Value Measurement Inputs and Valuation Techniques

The fair value of the unit purchase options and warrants issued to the convertible debt holders is estimated as of the issue date using a Monte Carlo model with the following assumptions:

 

     
Risk-free interest rate range   0.33% - 0.39%
Stock Price  $3.00 - $3.95 
Expected life of warrants and unit purchase options (years)   5.00 
Expected stock price volatility   108.2% - 112.5%
Expected dividend yield   0%
Schedule of Unit Purchase Stock Options Activity

The following table sets forth the activity of unit purchase options:

 

   Number of
Unit Purchase Options
   Weighted Average Exercise Price   Aggregate
Intrinsic Value
 
Outstanding as of December 31, 2020   303,623   $3.20   $- 
Granted   -   $-    - 
Exercised   210,730    3.20    427,839 
Canceled   -   $-    - 
Balance as of June 30, 2021   92,893   $3.20   $62,985 
Schedule of Warrants Activity

The following table sets forth the activity of warrants:

 

   Number of
Warrants
   Weighted Average Exercise Price   Aggregate
Intrinsic Value
 
Outstanding as of December 31, 2020   310,373   $3.48   $- 
Granted   -   $-    - 
Exercised   180,323    3.20    457,839 
Canceled   -   $-    - 
Balance as of June 30, 2021   130,050   $3.74   $107,075