Consolidated Schedule of Investments - Schedule of Investments (Details) - USD ($) |
Mar. 31, 2026 |
Dec. 31, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Investments, market value, total | $ 146,430 | $ 225,436 | ||||||||||||||
| OTHER LIABILITIES IN EXCESS OF OTHER ASSETS — 133.0% | (590,487) | (460,564) | ||||||||||||||
| NET ASSETS — 100.0% | (444,057) | (235,128) | $ (837,221) | $ 1,060,679 | $ 1,300,000 | $ 30,600,000 | $ 94,800,000 | |||||||||
| Investments, fair value | 146,430 | 225,436 | ||||||||||||||
| Wrightspeed Inc [Member] | Automotive Sector [Member] | ||||||||||||||||
| Investments, market value, total | 0 | 0 | ||||||||||||||
| Investments, fair value | 0 | 0 | ||||||||||||||
| IntraOp Medical Corp. [Member] | Medical Devices Sector [Member] | ||||||||||||||||
| Investments, market value, total | 754 | [1],[2],[3],[4] | 1,523 | |||||||||||||
| Investments, fair value | $ 754 | [1],[2],[3],[4] | $ 1,523 | |||||||||||||
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- Definition Amount of net assets (liabilities). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of investment in security owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of noninvestment asset (liability) representing difference between aggregate value of investments, including, but not limited to, long and short positions, and net assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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