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Equity settled share-based transactions - Restricted Share Scheme (Details) |  |  |  |  | 12 Months Ended
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Dec. 31, 2022 USD ($) item $ / shares | Jun. 30, 2022 USD ($) item $ / shares | May 18, 2022 USD ($) item $ / shares | Aug. 01, 2017 item $ / shares | Dec. 31, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted |  |  |  |  | 3,537,409 |
Equity-settled share-based payment expenses |  |  |  |  |  | $ 532,752
Restricted shares |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted | item |  |  |  | 5,313,900 |  |
Subscription price | $ / shares |  |  |  | $ 0.01 |  |
Aggregate fair value of the restricted shares granted | $ 5,799,625 |  |  |  | $ 5,799,625 |
Aggregate fair value of the restricted shares granted (in Dollar per share) | $ / shares |  |  |  |  | $ 1.091 |
Equity-settled share-based payment expenses |  |  |  |  | $ 15,534 |
Restricted Share Units |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted |  |  |  |  |  | 3,996,997
PHCL 2022 Plan [Member] | Restricted shares |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Equity-settled share-based payment expenses |  |  |  |  | $ 7,732,961 |
PHCL 2022 Plan [Member] | Restricted Share Units | Third parties |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted | item |  | 2,446,557 |  |  |  |
PHCL 2022 Plan [Member] | Restricted Share Units | Directors |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted | item | 946,330 |  |  |  |  |
PHCL 2022 Plan [Member] | Restricted Share Units | Employees |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Number of restricted shares granted | item |  |  | 144,522 |  |  |
Ifrs Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares | $ 2 | $ 4.04 | $ 7.64 |  |  |
Weighted average fair value of other equity instruments granted in share-based payment arrangement, Value | $ 1,892,660 | $ 9,884,090 | $ 1,104,148 |  |  |
Bottom of range [member] |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Percentage of trade sale defined in share agreement |  |  |  | 50.00% |  |
First anniversary | Restricted shares |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Vesting percentage |  |  |  | 33.33% |  |
Twenty three months | Restricted shares |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Monthly vesting percentage |  |  |  | 2.77% |  |
Third anniversary | Restricted shares |  |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |  |
Monthly vesting percentage |  |  |  | 2.96% |  |

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