Quarterly report pursuant to Section 13 or 15(d)

Note 11 - 2022 Notes and Second Notes Offering (Tables)

v3.23.1
Note 11 - 2022 Notes and Second Notes Offering (Tables)
6 Months Ended
Mar. 31, 2023
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