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

Note 12 - Capitalization and Equity Structure (Tables)

v3.25.0.1
Note 12 - Capitalization and Equity Structure (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Exercise

   

Remaining term

                                         

Source

 

Price

   

(Years)

   

December 31, 2023

   

Issued

   

Expired

   

Exercised

   

December 31, 2024

 

September 2024 Pre-Funded Warrants

  $ 0.001        *             2,900             (335 )     2,565  

September 2024 Series A Warrants

  $ 1.00       4.7             6,000                   6,000  

September 2024 Series B Warrants

  $ 1.00       0.7             6,000                   6,000  

2021 Warrants

  $ 12.81       1.1       273                         273  

June 2020 Investor Warrants

  $ 5.18       0.9       127                         127  

June 2020 Placement Agent Warrants

  $ 5.64       0.4       39                         39  

December 2019 Warrants

  $ 8.10       0.5       556                         556  

December 2019 Placement Agent Warrants

  $ 8.44       0.0       52             (52 )            

May 2019 Warrants

  $ 1.55       0.0       193             (193 )            
                      1,240       14,900       (245 )     (335 )     15,560  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

December 31, 2024

   

December 31, 2023

 

Current share price

  $ 0.61     $ 2.50  

Conversion price

  $ 12.81     $ 12.81  

Risk-free interest rate

    3.94 %     4.20 %

Expected term (years)

    1.11       2.11  

Volatility of stock

    106.7 %     76.5 %
   

December 31, 2024

   

December 31, 2023

 

Current share price

  $ 0.61     $ 2.50  

Conversion price

  $ 5.18     $ 5.18  

Risk-free interest rate

    4.03 %     4.26 %

Expected term (years)

    0.94       1.94  

Volatility of stock

    89.7 %     78.2 %
   

December 31, 2024

   

December 31, 2023

 

Current share price

  $ 0.61     $ 2.50  

Conversion price

  $ 5.64     $ 5.64  

Risk-free interest rate

    4.47 %     4.54 %

Expected term (years)

    0.44       1.44  

Volatility of stock

    89.7 %     83.0 %
   

December 31, 2024

   

December 31, 2023

 

Current share price

  $ 0.61     $ 2.50  

Conversion price

  $ 8.10     $ 8.10  

Risk-free interest rate

    4.43 %     4.53 %

Expected term (years)

    0.46       1.47  

Volatility of stock

    89.3 %     82.3 %
   

December 31, 2024

   

December 31, 2023

 

Current share price

    N/A     $ 2.50  

Conversion price

    N/A     $ 8.44  

Risk-free interest rate

    N/A       4.82 %

Expected term (years)

          0.97  

Volatility of stock

    N/A       85.2 %
   

December 31, 2024

   

December 31, 2023

 

Current share price

    N/A     $ 1.88  

Conversion price

    N/A     $ 3.52  

Risk-free interest rate

    N/A       5.28 %

Expected term (years)

          0.40  

Volatility of stock

    N/A       77.5 %