Annual report pursuant to Section 13 and 15(d)

Note 13 - Capitalization and Equity Structure (Tables)

v3.24.0.1
Note 13 - Capitalization and Equity Structure (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Exercise

   

Remaining term

                 

Source

 

Price

   

(Years)

   

December 31, 2022

   

December 31, 2023

 

2021 Warrants

  $ 12.81       2.1       273       273  

June 2020 Investor Warrants

  $ 5.18       1.9       127       127  

June 2020 Placement Agent Warrants

  $ 5.64       1.4       39       39  

December 2019 Warrants

  $ 8.10       1.5       556       556  

December 2019 Placement Agent Warrants

  $ 8.44       1.0       52       52  

May 2019 Warrants

  $ 3.52       0.4       193       193  
                      1,240       1,240  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 2.50     $ 1.19  

Conversion price

  $ 12.81     $ 12.81  

Risk-free interest rate

    4.20 %     4.21 %

Expected term (years)

    2.11       3.11  

Volatility of stock

    76.5 %     99.6 %
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 2.50     $ 1.19  

Conversion price

  $ 5.18     $ 5.18  

Risk-free interest rate

    4.26 %     4.23 %

Expected term (years)

    1.94       2.94  

Volatility of stock

    78.2 %     99.6 %
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 2.50     $ 1.19  

Conversion price

  $ 5.64     $ 5.64  

Risk-free interest rate

    4.54 %     4.33 %

Expected term (years)

    1.44       2.44  

Volatility of stock

    83.0 %     73.5 %
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 2.50     $ 1.19  

Conversion price

  $ 8.10     $ 8.10  

Risk-free interest rate

    4.53 %     4.32 %

Expected term (years)

    1.47       2.47  

Volatility of stock

    82.3 %     73.3 %
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 2.50     $ 1.19  

Conversion price

  $ 8.44     $ 8.44  

Risk-free interest rate

    4.82 %     4.42 %

Expected term (years)

    0.97       1.97  

Volatility of stock

    85.2 %     71.8 %
   

December 31, 2023

   

December 31, 2022

 

Current share price

  $ 1.88     $ 1.19  

Conversion price

  $ 3.52     $ 3.52  

Risk-free interest rate

    5.28 %     4.60 %

Expected term (years)

    0.40       1.40  

Volatility of stock

    77.5 %     74.5 %