XML 64 R52.htm IDEA: XBRL DOCUMENT
v3.23.1

Interests in associates (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Disclosure of associates [abstract] |
Summary of detailed information about interest in associates |
|  | 2022 |
|  | $ |
Interests in associates (note 33(C)) |  |  | 788,472 |
Summary of interests in associates |
|  | Place of |  | Particular |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Name of |  | incorporation/ |  | of issued and |  |  | Proportion of nominal value of |  |  |
an associate |  | operation |  | paid-up capital |  |  | issue capital held by the Company |  |  | Principal activity
|  |  |  |  |  |  | 2022 |  |  | 2021 |  |  |
|  |  |  |  |  |  | Directly Indirectly |  |  | Directly Indirectly |  |  |
|  |  |  |  |  |  | % |  |  | % |  |  | % |  |  | % |  |  |
アクトメッド株式会社 (“ACTmed Co., Ltd.” ) |  | Japan |  |  | 1,347 ordinary shares |  |  |  | — |  |  |  | 24.85 |  |  |  | — |  |  |  | — |  |  | Precise cancer genetic testing services
CERBACT Asia Holdings Pte. Ltd. (“CERBACT”) |  | Singapore |  |  | 100 ordinary shares |  |  |  | — |  |  |  | 26.04 |  |  |  | — |  |  |  | — |  |  | Investment holdings
Summary of detailed information about financial information of associates |
|  | 2022 |
|  | $ |
Aggregate carrying amount of individually immaterial associates in the consolidated financial statements |  |  | 788,472 |
Aggregate amounts of the Group’s share of those associates’ loss and total comprehensive income |  |  | — |

X
- Definition The disclosure of interests in associates. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph 2 -Subparagraph b -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_2_b_ii&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DisclosureOfInterestsInAssociatesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of detailed information about financial information of associates explanatory. + References No definition available. + Details
Name: | pre_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatory
Namespace Prefix: | pre_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of detailed information about interest in associates explanatory. + References No definition available. + Details
Name: | pre_DisclosureOfDetailedInformationAboutInterestInAssociatesExplanatory
Namespace Prefix: | pre_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration