Fair Value Measurements (Schedule of Qualitative Information) (Details) - item |
12 Months Ended | |
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Sep. 30, 2019 |
Sep. 30, 2018 |
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| Maximum [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Estimated change of control dates | Dec. 01, 2021 | Dec. 01, 2021 |
| Maximum [Member] | Discount Rate [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Discount rate | 16.80 | 12.0 |
| Maximum [Member] | Probability Of Change Of Control [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Discount rate | 90 | 90 |
| Minimum [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Estimated change of control dates | Sep. 01, 2020 | Sep. 01, 2019 |
| Minimum [Member] | Discount Rate [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Discount rate | 14.40 | 11.1 |
| Minimum [Member] | Probability Of Change Of Control [Member] | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Discount rate | 10 | 10 |
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- Definition Value of input used to measure derivative liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Date that nonrecurring measurements were estimated, excluding reporting date, in CCYY-MM-DD format. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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