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Stock Based Compensation (Tables)
9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Fair Value of Stock Options at the Date of Grant

The fair value of the stock options at the date of grant was estimated using the Black-Scholes option-pricing model, based on the following assumptions:

  

   2024   2023 
Risk-free interest rate   3.88%   2.42%
Expected volatility   147%   92%
Expected lives (years)   6    6 
Expected dividend yield   0.00%   0.00%
Schedule of Stock Options Activity

Presented below is our stock option activity:

  

   Nine-Months Ended September 30, 2024 
   Number of
Options
(Employees)
   Number of
Options
(Non-Employees)
   Total
Number
of Options
   Weighted-Average
Exercise Price
 
Outstanding at January 1, 2024   10,350    3,650    14,000   $501.70 
Issued   55,000        55,000    1.83 
Exercised, forfeited or expired                
Outstanding at September 30, 2024   65,350    3,650    69,000   $103.24 
Exercisable at September 30, 2024   43,971    3,650    47,621   $148.75 
Schedule of Ranges of Outstanding Stock Options

The following table summarizes significant ranges of outstanding stock options under the 2008 Plan and the 2019 Plan at September 30, 2024:

  

Range of
Exercise Prices
  Number of Options   Weighted-Average Remaining
Contractual
Life (years)
   Weighted-Average
Exercise Price
   Number of
Options
Exercisable
   Weighted-Average Remaining
Contractual
Life (years)
   Weighted-Average
Exercise Price
 
$1.83 - $25.99   55,000    9.30   $1.83    33,624    9.30   $1.83 
$26.00 –$100.00   3,500    5.20   $26.00    3,500    5.20   $26.00 
$100.01 – $300.00   6,066    2.96   $195.29    6,066    2.96   $195.29 
$300.01 –$4,146.00   4,434    0.86   $1,296.92    4,431    0.86   $1,296.92 
    69,000    7.99   $103.24    47,621    7.99   $148.75