Quarterly report [Sections 13 or 15(d)]

Note 11 - Capitalization and Equity Structure (Tables)

v3.25.1
Note 11 - Capitalization and Equity Structure (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
                                                     

Source

 

Exercise Price

   

Remaining term (Years)

   

December 31, 2024

   

Issued

   

Expired

   

Exercised

   

March 31, 2025

 

Inducement Warrant

  $ 0.424       *             10,500                   10,500  

Pre-Funded Warrant

  $ 0.001       **       2,565                   (2,565 )      

Series A Warrants

  $ 1.00       4.4       6,000                   (4,900 )     1,100  

Series B Warrants

  $ 1.00       0.4       6,000                   (4,900 )     1,100  

2021 Warrants

  $ 12.81       0.9       273                         273  

June 2020 Investor Warrants

  $ 5.18       0.7       127                         127  

June 2020 Placement Agent Warrants

  $ 5.64       0.2       39                         39  

December 2019 Warrants

  $ 8.10       0.2       556                         556  
                      15,560       10,500             (12,365 )     13,695  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

March 31, 2025

   

December 31, 2024

 

Current share price

  $ 0.40     $ 0.61  

Conversion price

  $ 12.81     $ 12.81  

Risk-free interest rate

    4.08 %     3.94 %

Expected term (years)

    0.86       1.11  

Volatility of stock

    88.2 %     106.7 %
   

March 31, 2025

   

December 31, 2024

 

Current share price

  $ 0.40     $ 0.61  

Conversion price

  $ 5.18     $ 5.18  

Risk-free interest rate

    4.15 %     4.03 %

Expected term (years)

    0.69       0.94  

Volatility of stock

    92.6 %     89.7 %
   

March 31, 2025

   

December 31, 2024

 

Current share price

  $ 0.40     $ 0.61  

Conversion price

  $ 5.64     $ 5.64  

Risk-free interest rate

    4.34 %     4.47 %

Expected term (years)

    0.19       0.44  

Volatility of stock

    80.8 %     89.7 %
   

March 31, 2025

   

December 31, 2024

 

Current share price

  $ 0.40     $ 0.61  

Conversion price

  $ 8.10     $ 8.10  

Risk-free interest rate

    4.33 %     4.43 %

Expected term (years)

    0.22       0.46  

Volatility of stock

    81.9 %     89.3 %