Annual report [Section 13 and 15(d), not S-K Item 405]

Note 12 - Capitalization and Equity Structure (Tables)

v3.25.4
Note 12 - Capitalization and Equity Structure (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Exercise

   

Remaining term

                                         

Source

 

Price

   

(Years)

   

December 31, 2024

   

Issued

   

Expired

   

Exercised

   

December 31, 2025

 

Oct 2025 Placement Agent Warrant

  $ 4.81       4.8             15                   15  

Inducement Warrant *

  $ 6.36       4.2             700                   700  

Pre-Funded Warrant

  $             171                   (171 )      

Series A Warrants

  $ 15.00       3.7       400                   (327 )     73  

Series B Warrants

  $ 15.00             400             (73 )     (327 )      

2021 Warrants

  $ 192.19       0.1       18                         18  

June 2020 Investor Warrants

  $ 77.70             9             (9 )            

June 2020 Placement Agent Warrants

  $ 84.65             3             (3 )            

December 2019 Warrants

  $ 121.50             37             (37 )            
                      1,038       715       (122 )     (825 )     806  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

December 31, 2025

   

December 31, 2024

 

Current share price

  $ 8.64     $ 9.15  

Conversion price

  $ 192.19     $ 192.19  

Risk-free interest rate

    3.73 %     3.94 %

Expected term (years)

    0.11       1.11  

Volatility of stock

    211.0 %     106.7 %
   

December 31, 2025

   

December 31, 2024

 

Current share price

    N/A     $ 9.15  

Conversion price

    N/A     $ 77.70  

Risk-free interest rate

    N/A       4.03 %

Expected term (years)

    N/A       0.94  

Volatility of stock

    N/A       89.7 %
   

December 31, 2025

   

December 31, 2024

 

Current share price

    N/A     $ 9.15  

Conversion price

    N/A     $ 84.65  

Risk-free interest rate

    N/A       4.47 %

Expected term (years)

    N/A       0.44  

Volatility of stock

    N/A       89.7 %
   

December 31, 2025

   

December 31, 2024

 

Current share price

    N/A     $ 9.15  

Conversion price

    N/A     $ 121.50  

Risk-free interest rate

    N/A       4.43 %

Expected term (years)

    N/A       0.46  

Volatility of stock

    N/A       89.3 %