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Stockholders’ Equity (Tables)
12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Summary of Stock Option Activity

A summary of all stock option activity as of and for the year ended December 31, 2022 is presented below:

 

   # of Options   Weighted-
Average
Exercise Price
 
Outstanding as of December 31, 2021   57,586   $3.29 
           
Options canceled   (5,834)   4.43 
Outstanding as of December 31, 2022   51,752   $3.16 
           
Exercisable as of December 31, 2022   51,585   $3.16 
Schedule of Weighted-average Assumptions for New Warrant

The estimated fair value of the new warrants issued was based on a combination of closing market trading price on the date of issuance for the public offering warrants, and the Black-Scholes option-pricing model, using the assumptions below:

 

Volatility   75%
Risk-free interest rate   2.6%
Expected term (in years)   5.0 
Expected dividend yield   - 
Fair value of common stock  $0.71 
Summary of Warrant Activity

A summary of all warrant activity as of and for the year ended December 31, 2022 is presented below:

 

   Warrants   Weighted-
Average
Remaining
Life (Years)
   Weighted-
Average
Exercise
Price
   Aggregate
Intrinsic
Value
 
Outstanding as of December 31, 2021   1,256,944    4.0   $3.42   $- 
                     
Granted   2,916,667    4.3    1.20    - 
Forfeited and cancelled   (140,278)   

-

    0.97    

-

 
Outstanding as of December 31, 2022   4,033,333    3.8   $1.67   $-