Note 9 - Commitments and Contingencies (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Oct. 23, 2024 |
Dec. 31, 2024 |
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| Executive Headquarters in Illinois [Member] | ||
| Operating Leases, Monthly Rent Expense | $ 4,238 | |
| Maximum [Member] | XOMA Ltd. [Member] | ||
| Indefinite-Lived License Agreements | $ 14,925,000 | |
| License Agreement [Member] | ||
| Stock Issued During Period, Shares, New Issues (in shares) | 387,329 | |
| Ownership Interest, License Agreement | 9.90% | |
| Total Cash Payment for License Agreement | $ 4,000,000 | |
| Initial Cash Payment for License Agreement | 1,000,000 | |
| Additional Cash Payment for License Agreement | $ 3,000,000 | |
| Equity Agreement [Member] | ||
| Percent of Outstanding Shares | 9.90% | |
| Equity Capital Raised, Amount | $ 25,000,000 | |
| Equity Capital Raised, Number of Shares (in shares) | 705,015 | |
| Stock Issued During Period, Shares, Antidilution Provisions (in shares) | 157,188 | |
| Equity Agreement [Member] | Maximum [Member] | ||
| Milestone Payments | $ 94,000,000 |
| X | ||||||||||
- Definition Represents the additional cash paid for the license agreement. No definition available.
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| X | ||||||||||
- Definition The amount of equity capital raised by the company. No definition available.
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| X | ||||||||||
- Definition The number of shares related to the equity capital raised. No definition available.
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| X | ||||||||||
- Definition The amount of cash initially paid for the license agreement. No definition available.
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| X | ||||||||||
- Definition Represents the milestone payments related to the agreement. No definition available.
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| X | ||||||||||
- Definition Monthly rental expense under operating leases. No definition available.
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| X | ||||||||||
- Definition The percentage of ownership interest from the license agreement. No definition available.
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| X | ||||||||||
- Definition Represents the percentage of outstanding shares. No definition available.
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| X | ||||||||||
- Definition Represents the shares issued for the antidilutive provisions. No definition available.
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| X | ||||||||||
- Definition The total cash payment for the license agreement. No definition available.
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| X | ||||||||||
- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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