Fair Value Measurements (Reconciliation of the Beginning and Ending Liability Balance) (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Fair Value Measurements [Abstract] | ||
| Beginning balance | $ 4,294,000 | $ 7,851,000 |
| Change in fair value of derivative liabilities | (2,319,000) | 557,000 |
| Ending balance | $ 1,975,000 | $ 8,408,000 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|