Commitments and Contingencies (Details Narrative) $ in Millions  | 
12 Months Ended | 
|---|---|
| 
 Sep. 30, 2021  
USD ($) 
 | |
| Discovery Collaboration Agreements [Member] | XOMA [Member] | |
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | |
| Milestone payments | $ 3.8 | 
| X | ||||||||||
- Definition Milestone payments. No definition available. 
  | 
| X | ||||||||||
- 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. 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
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