v3.23.2
Stockholders’ Equity (Tables)
6 Months Ended
Jun. 30, 2023
Equity [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

   2023   2022   2023   2022 
   Three Months Ended June 30,   Six Months Ended June 30, 
   2023   2022   2023   2022 
                 
Research and development  $83,229   $63,021   $178,742   $142,673 
General and administrative   81,636    76,548    163,895    167,924 
                     
Total  $164,865   $139,569   $342,637   $310,597 
Schedule of Key Assumption of Fair Value of Stock Options Granted

For options granted during the six months ended June 30, 2023 and 2022, the Company calculated the fair value of each option grant on the respective dates of grant using the following weighted average assumptions:

 

   2023   2022 
Expected term   5.73 years     5.77 years  
Risk-free interest rate   3.73%   1.93%
Expected dividend yield        
Expected volatility   98.97%   101.67%
 
   June 30, 2023   December 31, 2022 
Expected life in years   1.38    1.88 
Risk-free interest rate   5.25%   4.41%
Dividend yield        
Volatility   100.00%   100.00%
Stock price  $5.04   $6.77 
 
Schedule of Stock Option Activity

A summary of stock option activity is as follows:

 

   Outstanding stock options 
   Number of
shares
   Weighted average
exercise price
 
Balance at December 31, 2022    277,225   $38.44 
Options granted   26,467    6.19 
Options exercised   -    - 
Options forfeited   (7,352)   6.91 
Options cancelled   (32,190)   47.77 
Balance at June 30, 2023    264,150    34.95 
           
Options exercisable at June 30, 2023   167,770    48.55 
Schedule of Share-based Compensation of Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at June 30, 2023:

 

Options outstanding   Options exercisable 
Number
outstanding
   Weighted
average
remaining
contractual
life
(Years)
   Weighted
average
exercise
price
   Aggregate
intrinsic
value
   Number
exerciseable
   Weighted
average
remaining
contractual
life
(Years)
   Weighted
average
exercise
price
   Aggregate
intrinsic
value
 
                              
 264,150    7.06   $34.95   $4,586    167,770    5.88   $48.55   $          - 
Schedule of Reconciliation of Warrant Liability

   Warrant Liability 
Balance at December 31, 2022  $229,856 
Settlement of liability on warrant exercise   - 
Change in fair value of common stock warrants   (125,589)
Balance at June 30, 2023  $104,267 
Schedule of Number of Warrants Outstanding and the Weighted Average Exercise Price

The following table summarizes the number of common stock warrants outstanding and the weighted average exercise price:

 

   Warrants   Weighted Average
Exercise Price
 
Outstanding at December 31, 2022   113,795   $8.72 
Issued   -    - 
Exercised   -    - 
Expired   -    - 
Cancelled   -    - 
Forfeited   -    - 
Balance at June 30, 2023   113,795   $8.72 
Schedule of Common Stock Warrants Outstanding

The following table summarizes information about common stock warrants outstanding at June 30, 2023:

 

Warrants outstanding 
Number exercisable   Weighted average
remaining
contractual life
(Years)
   Weighted average
exercise price
   Aggregate intrinsic
value
 
              
 113,795    1.51   $8.72   $       -