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Liabilities for puttable financial instrument (Tables) | 12 Months Ended
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Dec. 31, 2022
Liabilities for puttable financial instrument [Abstract] |
Schedule of liabilities for puttable financial instrument | The movement of the liabilities for puttable financial instrument during year ended December 31, 2022 are analyzed as follows:
|  | 2022 |
|  | $ |
At January 1 |  |  | — |
Issuance of puttable financial instrument |  |  | 17,138,905 |
At December 31 |  |  | 17,138,905 |

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- Definition Disclosure of reconciliation of liabilities arising from puttable financial instrument. + References No definition available. + Details
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Balance Type: | na
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- Definition Liabilities for puttable financial instrument. + References No definition available. + Details
Name: | pre_LiabilitiesForPuttableFinancialInstrumentAbstract
Namespace Prefix: | pre_
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Balance Type: | na
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