Capital Stock - BVF Ownership (Details) - BVF [Member] |
Sep. 30, 2021 |
Feb. 29, 2020 |
|---|---|---|
| Series Y Convertible Preferred Stock [Member] | ||
| Sale of stock | ||
| Beneficial ownership limitation (as a percent) | 50.00% | |
| Xoma Corporation | ||
| Sale of stock | ||
| Ownership interest (as a percent) | 31.20% | |
| Ownership interest, if shares are converted (as a percent) | 52.30% |
| X | ||||||||||
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. 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 | ||||||||||
- Definition Represents the beneficial ownership limitation. No definition available.
|
| X | ||||||||||
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage, if shares are converted. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|