| PREPAYMENTS AND OTHER CURRENT ASSETS |
6. PREPAYMENTS AND OTHER CURRENT ASSETS Prepayments and other current assets consisted of the following: | | | | | | | As of December 31, | | | 2022 | | 2023 | | | US$ | | US$ | | | | | | Prepaid expenses | | 2,746 | | 1,306 | Advance to employees | | 755 | | 712 | Receivables related to disposal of long-term investments | | 46,478 | | 29,975 | Interest receivable | | 3,496 | | 468 | Funds receivable | | 2,694 | | 1,761 | Properties held for sale | | 43,586 | | 61,044 | Others | | 18,635 | | 10,790 | Total | | 118,390 | | 106,056 | Less: allowance of credit losses | | (9,343) | | (38,332) | Prepayments and other current assets, net | | 109,047 | | 67,724 |
The movements in the allowance for credit losses of prepayment and other current assets were as follows: | | | | | | | | | Year Ended December 31, | | | 2021 | | 2022 | | 2023 | | | US$ | | US$ | | US$ | Movement in allowance for credit losses | | | | | | | Balance at beginning of year | | 2,210 | | 3,629 | | 9,343 | Additional provision | | 1,367 | | 6,021 | | 29,309 | Foreign currency translation adjustments | | 52 | | (307) | | (320) | Balance at end of year | | 3,629 | | 9,343 | | 38,332 |
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