Note 13 - Going Concern (Details Textual) - USD ($) |
3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Investment Income, Operating, after Expense and Tax | $ (184,099) | $ (113,218) | |||||
| Cash Provided by (Used in) Operating Activity, Including Discontinued Operation | 0 | 24 | |||||
| Net Assets | $ (444,057) | $ (837,221) | $ (235,128) | $ 1,060,679 | $ 1,300,000 | $ 30,600,000 | $ 94,800,000 |
| X | ||||||||||
- Definition Amount of net assets (liabilities). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after expense and tax, of investment income classified as operating. Excludes realized and unrealized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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