Note 3 - Balance Sheet Components - Schedule of Accrued Expenses - 10Q (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|---|
| Payroll-related liabilities | $ 237,835 | $ 181,584 | $ 986,691 |
| Accrued clinical trial costs | 393,835 | 587,303 | 200,881 |
| Other accrued expenses | 93,000 | 113,929 | 70,000 |
| Total accrued expenses | $ 724,670 | $ 882,816 | $ 1,257,572 |
| X | ||||||||||
- Definition Amount of accrued clinical trial costs. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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