Quarterly report pursuant to Section 13 or 15(d)

Common Stock, Stock Options and Warrants (Tables)

v3.21.1
Common Stock, Stock Options and Warrants (Tables)
6 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule of stock option activity
    Option
Shares
    Weighted-
Average
Exercise
Price
    Weighted-
Average
Remaining
Contractual
Term
    Aggregate
Intrinsic
Value
 
Outstanding at October 1, 2020     3,390,171     $ 2.51     8.0 years     $ 440,336  
Granted     1,225,000       1.08                
Exercised                          
Forfeited or expired                          
Outstanding at March 31, 2021     4,615,171     $ 2.13     8.1 years     $ 2,659,010  
                               
Exercisable at March 31, 2021     1,968,804     $ 3.56     6.6 years     $ 787,968  
Schedule of warrants outstanding
    Exercise
price
    Number     Expiration Dates
Investor Warrants   $ 9.00       126,669     April 15, 2021 – April 25, 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 Investors     4.13       1,622,989     August 2, 2022
2017 Public Offering Underwriter     4.54       65,940     February 2, 2023
December 2017 Registered Direct/Private Placement Offering Investors     4.63       640,180     June 19, 2023
December 2017 Registered Direct/Private Placement Offering Placement Agent     5.87       89,625     December 19, 2022
March 2018 Registered Direct/Private Placement Offering Investors     2.86       218,972     October 2, 2023
March 2018 Registered Direct/Private Placement Offering Placement Agent     3.73       46,866     March 28, 2023
August 2018 Offering Investors     1.15       3,921,569     August 14, 2023
August 2018 Offering Agent     1.59       549,020     August 8, 2023
April 2019 Registered Direct/Private Placement Offering Investors     1.42       1,294,498     April 5, 2021
April 2019 Registered Direct/Private Placement Offering Placement Agent     1.93       240,130     April 5, 2021
September 2019 Offering Investors     0.77       2,793,297     September 27, 2024
September 2019 Offering Underwriter     1.12       194,358     September 27, 2024
February 2020 Exercise Agreement Placement Agent     1.28       143,295     August 19, 2025
May 2020 Registered Direct Offering Investors     1.00       2,400,000     November 18, 2025
May 2020 Registered Direct Offering Placement Agent     1.33       494,118     May 14, 2025
August 2020 Underwriter     1.31       641,166     August 10, 2025
January 2021 Registered Direct Offering Investors     1.23       6,182,384     July 27, 2026
January 2021 Registered Direct Offering Agent     1.62       1,081,917     July 27, 2026
February 2021 Offering Investors     1.70       25,044,164     February 19, 2026
February 2021 Offering Agent     1.88       3,558,140     February 19, 2026
              51,569,059      
Summary of common stock reserved for future issuances
Stock plan options outstanding     4,615,171  
Stock plan shares available for future grants     1,240,000  
Warrants outstanding     51,569,059  
Total     57,424,230