General form of registration statement for all companies including face-amount certificate companies

Note 10 - 2022 Convertible Note Offering (Tables)

v3.23.3
Note 10 - 2022 Convertible Note Offering (Tables)
9 Months Ended 12 Months Ended
Jun. 30, 2023
Sep. 30, 2022
Notes Tables    
Schedule of Share-Based Payment Award, Warrants, Valuation Assumptions [Table Text Block]
   

2022 Warrants

   

2022 Placement

Agent Warrants

 

Closing price per share of Common Stock

  $ 9.98     $ 9.98  

Exercise price per share

  $ 9.94     $ 10.06  

Expected volatility

    88.44

%

    88.44

%

Risk-free interest rate

    2.96

%

    2.96

%

Dividend yield

           

Remaining expected term of underlying securities (years)

    5.0       5.0  
   

Second Warrants

   

Second Placement

Agent Warrants

 

Closing price per share of Common Stock

  $ 5.76     $ 5.76  

Exercise price per share

  $ 9.94     $ 10.06  

Expected volatility

    111.31

%

    111.31

%

Risk-free interest rate

    3.43

%

    3.43

%

Dividend yield

           

Remaining expected term of underlying securities (years)

    5.0       5.0  
   

Third Warrants

 

Closing price per share of Common Stock

  $ 2.77  

Exercise price per share

  $ 9.94  

Expected volatility

    114.33

%

Risk-free interest rate

    3.46

%

Dividend yield

     

Remaining expected term of underlying securities (years)

    5.0  
   

2022 Investor Warrants

   

2022 Placement Agent Warrants

 

Closing price per share of Common Stock

  $ 9.98     $ 9.98  

Exercise price per share

  $ 9.94     $ 10.06  

Expected volatility

    88.44

%

    88.44

%

Risk-free interest rate

    2.96

%

    2.96

%

Dividend yield

           

Remaining expected term of underlying securities (years)

    5.0       5.0