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CONVERTIBLE NOTES AND OTHER DEBTS - Other (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |
Financing from French government agencies related to various government incentive programs | $ 10,580 | $ 12,259
Relief loans | 5,337 | 5,651
Term loans | 0 | 71
Total debt obligations | 15,917 | 17,981
Less: current portion | (4,756) | (4,992)
Long-term portion | $ 11,161 | $ 12,989
TVN | Loans Backed By French Research And Development Tax Credit Receivables |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate (as a percent) | 1.90% |

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