Note 7 - Federal Income Taxes - Schedule of Tax Cost of Investments (Details) |
Mar. 31, 2026
USD ($)
|
|---|---|
| Gross unrealized appreciation | $ 0 |
| Gross unrealized depreciation | (89,713,945) |
| Net unrealized depreciation | (89,713,945) |
| Federal income tax cost, Investments | $ 89,860,375 |
| X | ||||||||||
- Definition Amount of cost of investment for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cumulative increase in investment from unrealized gain when value exceeds cost for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cumulative decrease in investment from unrealized loss when cost for federal income tax purpose exceeds value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of cumulative increase (decrease) in investment from unrealized gain (loss) when value exceeds (is less than) cost for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|