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Fair Value (Tables)
12 Months Ended
Dec. 31, 2024
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:

 

   December 31, 
   2024 
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:

 

   December 31, 
   2024 
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 Class C Warrants:

 

   December 31, 
   2024 
Underlying price per share  $0.26 
Exercise price per share  $0.28 
Risk-free interest rate   3.6%
Expected holding period   2 years 
Expected volatility   82%
Expected dividend yield    

 

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

 

   December 31, 
   2024 
Underlying price per share  $0.26 
Exercise price per share  $0.28 
Risk-free interest rate   3.5%
Expected holding period   5.5 years 
Expected volatility   91%
Expected dividend yield    
Schedule of Range of Probabilities

 

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 December 31, 2024 
   Total   Level 1   Level 2   Level 3 
Assets:                
Cash equivalents  $51   $51   $   $ 
 Marketable securities  $2,276   $2,276   $   $ 

 

   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   $   $