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PROPERTY AND EQUIPMENT - Additional information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
PROPERTY AND EQUIPMENT |  |  |  |
Impairment charge | $ 1,300 |  |  |
Depreciation expense |  |  | $ 1,697 | $ 1,967
Property and equipment |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense | 200 | $ 300 | 800 | 700
Leased devices |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense | $ 300 | $ 400 | $ 900 | $ 1,300

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