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PROPERTY AND EQUIPMENT - Additional information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense |  |  | $ 1,329 | $ 1,311
Property and equipment |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense | $ 200 | $ 200 | 400 | 400
Leased devices |  |  |  |
PROPERTY AND EQUIPMENT |  |  |  |
Depreciation expense | $ 500 | $ 500 | $ 900 | $ 900

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