Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Derivative Liabilities (Tables)

v3.22.4
Note 8 - Derivative Liabilities (Tables)
3 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Derivative Liabilities at Fair Value [Table Text Block]

Fair Value Measurements Using Significant Unobservable Inputs Three Months Ended December 31, 2022

               

(Level 3)

 

Series G

   

Series H

 
                 

Beginning balance at September 30, 2022

  $ 748,275     $ 459,200  

Adjustments to estimated fair value

           

Ending balance at December 31, 2022

  $ 748,275     $ 459,200  

Fair Value Measurements Using Significant Unobservable Inputs - Three Months Ended December 31, 2021

                       

(Level 3)

 

Series F

   

Series G

   

Series H

 
                         

Beginning balance at September 30, 2021

  $ 1,000,000     $ 748,275     $ 459,200  

Issuances

                 

Adjustments to estimated fair value

                 

Ending balance at December 31, 2021

  $ 1,000,000     $ 748,275     $ 459,200  
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
   

Series G

   

Series H

 

Closing price per share of Common Stock

  $ 5.20     $ 5.20  

Exercise price per share

  $ 140.00     $ 80.00  

Expected volatility

    169.62

%

    138.58

%

Risk-free interest rate

    4.76

%

    4.57

%

Dividend yield

           

Remaining expected term of underlying securities (years)

    0.43       1.31  
   

Series G

   

Series H

 

Closing price per share of Common Stock

  $ 3.80     $ 3.80  

Exercise price per share

  $ 140.00     $ 80.00  

Expected volatility

    132.97

%

    122.50

%

Risk-free interest rate

    4.05

%

    4.14

%

Dividend yield

           

Remaining expected term of underlying securities (years)

    0.69       1.57