FAIR VALUE OF FINANCIAL INSTRUMENTS - UNL's Securities Fair Value Hierarchy (Details) - USD ($) |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| US | ||
| FAIR VALUE OF FINANCIAL INSTRUMENTS | ||
| Securities, fair value | $ (1,598,890) | $ (2,070,955) |
| Short-Term Investments | ||
| FAIR VALUE OF FINANCIAL INSTRUMENTS | ||
| Securities, fair value | 14,525,000 | 8,000,000 |
| Level 1 | US | ||
| FAIR VALUE OF FINANCIAL INSTRUMENTS | ||
| Securities, fair value | (1,598,890) | (2,070,955) |
| Level 1 | Short-Term Investments | ||
| FAIR VALUE OF FINANCIAL INSTRUMENTS | ||
| Securities, fair value | $ 14,525,000 | $ 8,000,000 |
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- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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