Note 7 - Commitments and Contingencies (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2023 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Operating Lease, Monthly Rent Payment | $ 4,700 | ||||
| Operating Lease, Rent Expense, Annual Increase In Rent, Percent | 2.00% | ||||
| Sublease Income | $ 12,000 | $ 12,000 | $ 37,000 | $ 37,000 | |
| Operating Lease, Payments | 41,000 | 39,000 | 81,000 | 79,000 | |
| Research and Development Expense | 5,450,000 | 3,600,000 | 10,828,000 | 7,036,000 | |
| MD Anderson [Member] | |||||
| License Agreements Expense | 33,000 | 33,000 | 65,000 | 83,000 | |
| Research and Development Expense | $ 212,000 | $ 51,000 | $ 424,000 | $ 313,000 | |
| X | ||||||||||
- Definition The amount of expense for licensing agreements. No definition available.
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| X | ||||||||||
- Definition Represents the amount of monthly rent payment on an operating lease. No definition available.
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| X | ||||||||||
- Definition Represents percentage of annual increase in rent for operating lease rent expense. No definition available.
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of sublease income excluding finance and operating lease expense. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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