| Other Investments Not Readily Marketable [Table Text Block] |
| | | Amount | |
| | | US$(’000) | |
| | | | | |
| Balance as of January 1, 2023 | | | 1,596 | |
| Exchange translation adjustment | | | 3 | |
| Cash investment during the period | | | 43 | |
| Disposed during the period | | | (433 | ) |
| Impairment losses provided during the period | | | (209 | ) |
| Balance as of June 30, 2023 (Unaudited) | | | 1,000 | |
|