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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2023
Fair Value of Financial Instruments [Abstract]  
Fair Value of Financial Instruments
6.
Fair Value of Financial Instruments

There were no level 1 or 2 assets or liabilities at December 31, 2023 or 2022.

Level 3 assets and liabilities measured and recorded at fair value on a recurring basis at December 31, 2023 and 2022 were as follows:


 
December 31, 2023
   
December 31, 2022
 
Derivative Liability – Contingent Interest April Note
 
$
431,000
   
$
249,000
 
Derivative Liability – Contingent Interest September Note
 
$
169,000
   
$
109,000
 
Derivative Liability – Contingent Interest December Note
 
$
404,000
   
$
214,000
 

The April 2021 Note derivative liability – contingent interest was valued using a Monte Carlo Geometric Brownian Stock Path Model. The key assumptions used in the model at December 31, 2023 and 2022 are as follows:

   
December 31, 2023
   
December 31, 2022
 
Stock Price
 
$
1.66
   
$
1.13
 
Conversion Price of conversion feature
 
$
5.00
   
$
5.00
 
Term
 
1.29 years
   
2.29 years
 
Risk Free Interest Rate
   
4.79
%
   
4.41
%
Credit Adjusted Discount Rate
   
12.86
%
   
14.76
%
Volatility
   
69
%
   
81
%
Dividend Rate
   
0
%
   
0
%

The roll forward of the April 2021 Note derivative liability – contingent interest is as follows:

Balance – December 31, 2021
 
$
495,000
 
Fair Value Adjustment
   
(246,000
)
Balance – December 31, 2022
   
249,000
 
Fair Value Adjustment     182,000  
Balance – December 31, 2023   $ 431,000  

The September 2021 Note derivative liability – contingent interest was valued using a Monte Carlo Geometric Brownian Stock Path Model. The key assumptions used in the model at inception, and at December 31, 2023 and 2022 are as follows:

   
December 31, 2023
   
December 31, 2022
 
Stock Price
 
$
1.66
   
$
1.13
 
Conversion Price of conversion feature
 
$
8.64
   
$
8.64
 
Term
  1.72 years
    2.72 years  
Risk Free Interest Rate
   
4.23
%
   
4.22
%
Credit Adjusted Discount Rate
   
12.86
%
   
14.76
%
Volatility
   
75
%
   
81
%
Dividend Rate
   
0
%
   
0
%

The roll forward of the September 2021 Note derivative liability – contingent interest is as follows:

Balance – December 31, 2021
 
$
250,000
 
Fair Value Adjustment
   
(141,000
)
Balance – December 31, 2022
   
109,000
 
Fair Value Adjustment     60,000  
Balance – December 31, 2023   $ 169,000  

The December 2021 Note derivative liability – contingent interest was valued using a Monte Carlo Geometric Brownian Stock Path Model. The key assumptions used in the model at inception, and at December 31, 2023 and 2022 are as follows:

   
December 31, 2023
   
December 31, 2022
 
Stock Price
 
$
1.66
   
$
1.13
 
Conversion Price of conversion feature
 
$
5.43
   
$
5.43
 
Term
 
1.97 years
   
2.97 years
 
Risk Free Interest Rate
   
4.23
%
   
4.22
%
Credit Adjusted Discount Rate
   
12.86
%
   
14.76
%
Volatility
   
72
%
   
83
%
Dividend Rate
   
0
%
   
0
%

The roll forward of the December 2021 Note derivative liability – contingent interest is as follows:

Balance – December 31, 2021
 
$
384,000
 
Fair Value Adjustment
   
(170,000
)
Balance – December 31, 2022
   
214,000
 
Fair Value Adjustment     (190,000 )
Balance – December 31, 2023   $ 404,000