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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Basis of Presentation (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |
Net loss | $ (172) | $ (231) | $ (268) | $ (316) | $ (554) | $ (418) | $ (671) | $ (1,288) | $ (1,600) |
Cash used in operating activities | (55) |  |  | (267) |  |  | (542) | (1,043) | (1,300) |
Stockholders' equity | $ 3,140 | $ 2,812 | $ 2,843 | $ 3,207 | $ 3,522 | $ 3,225 | $ 3,140 | $ 3,207 | $ 2,915 | $ 3,051
Common stock, minimum bid price (in dollars per share) | $ 1.00 |  |  |  |  |  | $ 1.00 |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |  |  |  |  |  |  |
Stockholders' equity | $ 2,500 |  |  |  |  |  | $ 2,500 |  |  |

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