FINANCIAL INFORMATION OF PARENT COMPANY - Statements of Operations (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Operating expenses | |||
| Selling and marketing | $ (1,411) | $ (1,978) | $ (2,533) |
| General and administrative | (5,752) | (8,533) | (9,807) |
| Total operating expenses | (11,724) | (10,876) | (13,064) |
| Other (loss) income, net | 5,366 | 581 | 9,120 |
| Parent Company | Reportable Legal Entities | |||
| Operating expenses | |||
| Selling and marketing | 0 | 0 | 0 |
| General and administrative | (1,231) | (566) | (250) |
| Total operating expenses | (1,231) | (566) | (250) |
| Other (loss) income, net | 41 | (11) | (32) |
| Investment income (loss) in subsidiaries | (12,145) | (16,758) | 7,809 |
| Net income (loss) attributable to holders of ordinary shares | $ (13,335) | $ (17,335) | $ 7,527 |