Annual report pursuant to Section 13 and 15(d)

Common Stock, Stock Options and Warrants (Tables)

v3.20.4
Common Stock, Stock Options and Warrants (Tables)
12 Months Ended
Sep. 30, 2020
Stockholders' Equity Note [Abstract]  
Schedule of fair value of stock option grants
    2020    2019   
Risk-free interest rate   0.26 – 1.66%   2.18 – 2.53%  
Expected dividend yield   0%   0%  
Expected term   6.50 – 10 years   6.50 – 10 years  
Expected volatility   107 – 117%   119 – 121%  
Schedule of stock option activity
    Shares     Weighted-
Average
Exercise
Price
    Weighted-
Average
Remaining
Contractual
Term
    Aggregate
Intrinsic
Value
 
Outstanding at September 30, 2019     1,771,039     $ 4.03                
Granted     1,625,799       0.89                
Exercised                          
Forfeited or expired     (6,667 )     9.00                
Outstanding at September 30, 2020     3,390,171     $ 2.51     8.00 years     $ 440,336  
Exercisable at September 30, 2020     1,507,141     $ 4.44     6.56 years     $ 72,566  
Schedule of warrants outstanding
    Exercise
price
    Number     Expiration Dates  
Investor Warrants   $ 9.00       307,778     November 5, 2020 – April 25, 2021  
LMB Warrants     6.15       38,771     November 20, 2020 – March 2, 2021  
LMB Warrants     7.50       38,673     November 2, 2020 – March 14, 2021  
LMB Warrants     7.50       53,110     March 24, 2022 – April 29, 2022  
Financial Advisor Warrants     3.00       25,833     August 15, 2021  
2016 Offering Warrants     4.13       140,819     November 23, 2021 – February 27, 2022  
2017 Public Offering Warrants     4.13       1,622,989     August 2, 2022  
2017 Public Offering Underwriter Warrants     4.54       65,940     February 2, 2023  
December 2017 Registered Direct/Private Placement Offering Investor Warrants     4.63       640,180     June 19, 2023  
December 2017 Registered Direct/Private Placement Offering Agent Warrants     5.87       89,625     December 19, 2022  
March 2018 Registered Direct/Private Placement Offering Investor Warrants     2.86       218,972     October 2, 2023  
March 2018 Registered Direct/Private Placement Offering Agent Warrants     3.73       46,866     March 28, 2023  
August 2018 Offering Investor Warrants     1.15       7,843,138     August 14, 2023  
August 2018 Offering Agent Warrants     1.59       549,020     August 8, 2023  
April 2019 Registered Direct/Private Placement Offering Investor Warrants     1.42       1,294,498     April 5, 2021  
April 2019 Registered Direct/Private Placement Offering Placement Agent Warrants     1.93       240,130     April 5, 2021  
September 2019 Offering Investor Warrants     0.77       2,793,297     September 27, 2024  
September 2019 Offering Underwriter Warrants     1.12       547,486     September 27, 2024  
February 2020 Exercise Agreement Warrants     1.02       6,298,673     August 19, 2025  
February 2020 Exercise Agreement Placement Agent Warrants     1.28       440,907     August 19,2025  
May 2020 Registered Direct Offering Investor Warrants     1.00       2,400,000     November 18, 2025  
May 2020 Registered Direct Offering Placement Agent Warrants     1.33       494,118     May 14, 2025  
August 2020 Underwriter Warrants     1.31       641,166     August 10, 2025  
                       
              26,831,989        
Summary of common stock reserved for future issuances
Stock plan options outstanding     3,390,171  
Stock plan shares available for future grants     2,465,000  
Warrants outstanding     26,831,989  
Total     32,687,160