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ACCRUED AND OTHER LIABILITIES (Details) - USD ($) $ in Thousands | Jan. 27, 2023 | Dec. 31, 2023 | Dec. 31, 2022
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ACCRUED AND OTHER LIABILITIES |  |  |
Accrued payroll and welfare |  | $ 635 | $ 866
Payable for purchase of equipment and services |  |  | 391
Receipt in advance |  |  | 10
Amounts due to students |  | 268 | 837
Deferred revenue |  | 544 | 754
Loan from third parties |  |  | 707
Others |  | 21 | 172
Total |  | $ 1,468 | $ 3,737
Sundry Management, LLC |  |  |
ACCRUED AND OTHER LIABILITIES |  |  |
Term of line of credit (in years) | 1 year |  |

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