Note 4 - Investment Management Fee (Details Textual) - Management [Member] - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Sep. 30, 2023 |
Mar. 31, 2026 |
|
| Management and Service Fees, Rate | 2.00% | ||
| Management and Service Fees, Incentive Rate | 20.00% | ||
| Increase (Decrease) in Incentive Fee Payable | $ 0 | ||
| Management Fee Payable | $ 3,000 | $ 2,500 | |
| Investment Company, Contractual Fee Waived | $ 3,000 | $ 2,500 |
| X | ||||||||||
- Definition Amount of increase (decrease) in fee payable for management of operations based on performance under arrangement, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of fee contractually waived by investment company. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Rate based on performance for management and service fees under arrangement to manage operations, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Rate for management and service fees under arrangement to manage operations, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of fee payable for management of fund or trust. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|