Quarterly report pursuant to Section 13 or 15(d)

Common Stock, Stock Options and Warrants (Details 1)

v3.20.1
Common Stock, Stock Options and Warrants (Details 1)
6 Months Ended
Mar. 31, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number 23,501,050
Investor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 9.00
Number 169,135
Expiration Dates April 22, 2020 – September 14, 2020
Investor Warrants One [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 9.00
Number 307,778
Expiration Dates November 5, 2020 - April 25, 2021
LMB Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 6.15
Number 38,771
Expiration Dates November 20, 2020 – March 2, 2021
LMB Warrants One [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 7.50
Number 73,883
Expiration Dates August 18, 2020 – March 14, 2021
LMB Warrants Two [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 7.50
Number 53,110
Expiration Dates March 24, 2022 – April 29, 2022
Financial Advisor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 3.00
Number 25,833
Expiration Dates August 15, 2021
2016 Offering Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 4.13
Number 140,819
Expiration Dates November 23, 2021 - February 27, 2022
2017 Public Offering Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 4.13
Number 1,622,989
Expiration Dates August 2, 2022
2017 Public Offering Underwriter Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 4.54
Number 65,940
Expiration Dates February 2, 2023
December 2017 Registered Direct/Private Placement Offering Investor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 4.63
Number 640,180
Expiration Dates June 19, 2023
December 2017 Registered Direct/Private Placement Offering Placement Agent Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 5.87
Number 89,625
Expiration Dates December 19, 2022
March 2018 Registered Direct/Private Placement Offering Investor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 2.86
Number 218,972
Expiration Dates October 2, 2023
March 2018 Registered Direct/Private Placement Offering Placement Agent Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 3.73
Number 46,866
Expiration Dates March 28, 2023
August 2018 Offering Investor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.15
Number 7,843,138
Expiration Dates August 14, 2023
August 2018 Offering Agent Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.59
Number 549,020
Expiration Dates August 8, 2023
April 2019 Registered Direct/Private Placement Offering Investor Warrants  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.42
Number 1,294,498
Expiration Dates April 5, 2021
April 2019 Registered Direct/Private Placement Offering Placement Agent Warrants  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.93
Number 240,130
Expiration Dates April 5, 2021
September 2019 Offering Investor Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 0.77
Number 2,793,297
Expiration Dates September 27, 2024
September 2019 Offering Underwriter Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.12
Number 547,486
Expiration Dates September 27, 2024
February 2020 Exercise Agreement Warrants [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.02
Number 6,298,673
Expiration Dates August 19, 2025
February 2020 Exercise Agreement Placement [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise price | $ / shares $ 1.28
Number 440,907
Expiration Dates August 19, 2025