SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value of Financial Instruments (Details) - Recurring basis - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||
| Money market funds | $ 401 | $ 174 |
| Total financial assets | 401 | 174 |
| Convertible debt subject to credit risk analysis | 5,856 | 8,923 |
| Series P and P2 Preferred Stock liability | 5,045 | |
| Total financial liabilities | 10,901 | 8,923 |
| Level 1 | ||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||
| Money market funds | 401 | 174 |
| Total financial assets | 401 | 174 |
| Level 2 | ||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||
| Convertible debt subject to credit risk analysis | 5,856 | 8,923 |
| Total financial liabilities | 5,856 | $ 8,923 |
| Level 3 | ||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ||
| Series P and P2 Preferred Stock liability | 5,045 | |
| Total financial liabilities | $ 5,045 |
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock. 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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- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 Fair value portion of shares that an entity is required to redeem for cash or other assets at a fixed or determinable date or upon the occurrence of an event. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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