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Common Stock, Stock Options and Warrants (Details 2) | 12 Months Ended
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Sep. 30, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number | 26,831,989
Investor Warrants [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 | 38,673
Expiration Dates | November 2, 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 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 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 [Member] |
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 [Member] |
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 Agent Warrants [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
May 2020 Registered Direct Offering Investor Warrants [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 1.00
Number | 2,400,000
Expiration Dates | November 18, 2025
May 2020 Registered Direct Offering Placement Agent Warrants [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 1.33
Number | 494,118
Expiration Dates | May 14, 2025
August 2020 Underwriter Warrants |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 1.31
Number | 641,166
Expiration Dates | August 10, 2025

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