Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jan. 12, 2024 |
Jan. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Liabilities Related To The Sale Of Future Payments | $ 6,499 | $ 6,527 | $ 0 | ||
| Issuance Costs, Sale Of Future Payments | 0 | (521) | |||
| XOMA [Member] | |||||
| Liabilities Related To The Sale Of Future Payments | $ 6,100 | ||||
| Issuance Costs, Sale Of Future Payments | 500 | ||||
| Proceeds From Sale of Receivables | 8,000 | $ 8,000 | |||
| Other Income | 1,200 | $ 1,200 | |||
| Other Expenses | $ 200 | ||||
| In Process Research and Development [Member] | |||||
| Impairment of Intangible Assets (Excluding Goodwill) | $ 0 | $ 0 | |||
| X | ||||||||||
- Definition Represents the issuance costs related to the sale of future payments No definition available.
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| X | ||||||||||
- Definition Amount of liability related ot the sale of future payments No definition available.
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| X | ||||||||||
- Definition Represents the cash inflow from sale of receivables. No definition available.
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of revenue and income classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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