Warrants - Additional Information (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
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| Class Of Warrant Or Right [Line Items] | ||
| Fair value adjustment of warrants | $ 462,000 | |
| Stock based compensation expense | 489,000 | $ 86,000 |
| Series B Convertible Preferred Stock | ||
| Class Of Warrant Or Right [Line Items] | ||
| Fair value adjustment of warrants | $ 462,000 | |
| Series B Convertible Preferred Stock Warrants | ||
| Class Of Warrant Or Right [Line Items] | ||
| Warrants additional extended expiration period | 2 years | |
| Series B Convertible Preferred Stock Warrants | Series B Convertible Preferred Stock | ||
| Class Of Warrant Or Right [Line Items] | ||
| Number of warrants outstanding and exercisable | 118,029 | |
| Warrants exercise price, outstanding and exercisable | $ 20.80 | |
| X | ||||||||||
- Definition Class of warrant or right expiration period. No definition available.
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- Definition Class of warrant or right outstanding and exercisable. No definition available.
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- Definition Weighted average exercise price of warrants outstanding and exercisable. No definition available.
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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 Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of noncash expense for share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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