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Common Stock, Stock Options and Warrants (Details 2) | 12 Months Ended
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Sep. 30, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number | 25,492,513
Investor Warrants [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 9.00
Number | 202,469
Expiration Dates | March 19, 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 | $ 9.90
Number | 4,985
Expiration Dates | January 8, 2020
LMB Warrants Two [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 20.70
Number | 17,721
Expiration Dates | November 3, 2019 - March 6, 2020
LMB Warrants Three [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 Four [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 | 669,504
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 | 3,430,421
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 | 7,821,230
Expiration Dates | September 27, 2024
September 2019 Offering Pre-Funded Unit Warrants [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price | $ / shares | $ 0.0001
Number | 1,060,615
Expiration Dates | No expiration date
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

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