Contingencies and commitments - Capital Commitments (Details) - Capital commitments |
Dec. 31, 2022
USD ($)
|
|---|---|
| Contingencies and commitments | |
| Committed amount | $ 2,459,000 |
| Committed amount expected to be paid in one year | 2,261,000 |
| Committed amount expected to be paid in one to three years | $ 198,000 |
| X | ||||||||||
- Definition Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second or third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|