Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2023 |
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| CRO Agreement [Member] | ||
| Costs incurred | $ 0.2 | $ 1.4 |
| X | ||||||||||
- Definition Amount of other research and development expense. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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