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Fair Value (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2024
Dec. 31, 2023
Fair Value Disclosures [Abstract]    
Schedule of Assumptions to Estimate Fair Value of Warrants

The Company utilized the following assumptions to estimate the fair value of the Class A Warrants:

   September 30,   December 31, 
   2024   2023 
Underlying price per share  $0.350     
Exercise price per share  $0.363     
Risk-free interest rate   4.42%    
Expected holding period   5.5 years     
Expected volatility   110%    
Expected dividend yield        

 

 

The Company utilized the following assumptions to estimate the fair value of the Class B Warrants:

 

   September 30,   December 31, 
   2024   2023 
Underlying price per share  $0.350     
Exercise price per share  $0.363     
Risk-free interest rate   4.82%    
Expected holding period   2 years     
Expected volatility   89%    
Expected dividend yield        

The Company utilized the following assumptions to estimate the fair value of the March 2019 Warrants:

 

   December 31,   December 31, 
   2023   2022 
Underlying price per share  $0.44   $0.31 
Exercise price per share  $8.80   $8.80 
Risk-free interest rate   5.47%   4.67%
Expected holding period   .19    1.19 
Expected volatility   80%   70%
Expected dividend yield        
Schedule of Potential Liability

With the above factors utilized in analysis of the likelihood of the Put’s potential Liability, the Company estimated the range of probabilities related to a Put right being triggered as:

 

Range of Probability  Probability 
Low   0.5%
Medium   1.0%
High   5.0%

With the above factors utilized in analysis of the likelihood of the Put’s potential Liability, the Company estimated the range of probabilities related to a Put right being triggered as:

 

Range of Probability  Probability 
Low   0.5%
Medium   1.0%
High   5.0%
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents the balances of assets and liabilities measured at fair value on a recurring basis by level within the hierarchy as (in thousands):

 

   As of September 30, 2024 
   Total   Level 1   Level 2   Level 3 
Assets:                
Cash equivalents  $67   $67   $   $ 
Marketable securities  $6,287   $6,287   $   $ 

 

   As of December 31, 2023 
   Total   Level 1   Level 2   Level 3 
Assets:                
Cash equivalents  $4,805   $4,805   $   $ 
Marketable securities  $7,631   $7,631   $   $ 

The table below presents the balances of assets and liabilities measured at fair value on a recurring basis by level within the hierarchy as (in thousands):

 

   As of December 31, 2023 
   Total   Level 1   Level 2   Level 3 
Assets:                    
Cash equivalents  $4,805   $4,805   $   $ 
Marketable investments  $7,631   $7,631   $   $ 

 

   As of December 31, 2022 
   Total   Level 1   Level 2   Level 3 
Assets:                    
Cash equivalents  $25,180   $25,180   $   $ 
Marketable investments  $7,137   $7,137   $   $