Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
Sep. 01, 2015 |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|---|
| Liquidation Basis of Accounting, Covenant, Value of Asset Required to Enact Dissolution | $ 1,000,000 | ||
| Net Assets | $ 27,055,247 | $ 25,858,997 | |
| Liquidation Basis of Accounting, Common Stock Per Share, Net | $ 12.3 | $ 11.76 | |
| Common Stock, Shares, Outstanding | 2,199,308 | 2,199,308 | |
| Common Stock, Shares, Issued (in shares) | 2,199,308 | 2,199,308 | |
| Common Stock, Shares Authorized (in shares) | 2,199,308 |
| X | ||||||||||
- Definition Represents the common stock per share that is expected to be distributed in liquidation, net of any special distributions made. No definition available.
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| X | ||||||||||
- Definition The value of assets required to enact dissolution from the liquidation basis of accounting. No definition available.
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| X | ||||||||||
- Definition Amount of net assets (liabilities). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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