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RELATED PARTY TRANSACTIONS - Schedule of Purchase Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Purchases from related party | $ 532 | $ 195 | $ 864 | $ 2,420 |
Accounts payable to related party | 1,002 |  | 1,002 |  | $ 909
Sander Electronics, Inc. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Purchases from related party | 226 | 0 | 476 | 0 |
Accounts payable to related party | 248 |  | 248 |  | 0
Sander Electronics Co Ltd |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Purchases from related party | 306 | $ 195 | 388 | $ 2,420 |
Accounts payable to related party | $ 754 |  | $ 754 |  | $ 909
Total Expenditures | Supplier Concentration Risk | Sander Electronics, Inc. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 20.40% | 0.00% | 15.40% | 0.00% |
Total Expenditures | Supplier Concentration Risk | Sander Electronics Co Ltd |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 27.70% | 13.20% | 12.50% | 38.60% |
Accounts Payable | Supplier Concentration Risk | Sander Electronics, Inc. |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 20.00% |  | 0.00%
Accounts Payable | Supplier Concentration Risk | Sander Electronics Co Ltd |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 60.70% |  | 54.40%

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