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Equity Offerings (Tables)
 6 Months Ended
Jun. 30, 2022
Series A Warrants and Series B Warrants  
Schedule of Black-Scholes Option Pricing Model Based on Assumptions

The Series A warrants and Series B warrants were valued at approximately $11.6 million using the Black-Scholes option pricing model (the “Black-Scholes model”) based on the following assumptions:

 

 

Series A

 

 

Series B

 

Risk-free interest rate

 

 

0.91

%

 

 

1.93

%

Volatility

 

 

131.07

%

 

 

85.38

%

Expected dividend yield

 

 

0.00

%

 

 

0.00

%

Expected life (in years)

 

 

1.0

 

 

 

7.0