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Notes To The Consolidated Statements Of Cash Flows - Summary Of Liabilities Arising From Financing Activities (Detail) - HKD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | $ 514,593,557 | $ 348,512,742 | $ 434,531,938
Cash flow from financing activities | (239,383,150) | 151,263,786 | (99,235,169)
Interest expenses | 6,729,278 | 12,825,923 | 21,510,079
Fair value change | (13,347,266) |  | (7,765,148)
Conversion of convertible bond | (112,806,493) |  |
Acquisition of subsidiaries | 4,589,759 |  |
Exchange alignment | 103,416 | 1,991,106 | (528,958)
Ending balance | 160,479,101 | 514,593,557 | 348,512,742
Margin Loans Payable [Member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance |  |  | 317,722,438
Cash flow from financing activities |  |  | (330,197,734)
Interest expenses |  |  | 12,475,296
Derivative Financial Liability [Member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 13,752,673 | 12,954,313 | 20,813,810
Fair value change | (13,347,266) |  | (7,765,148)
Conversion of convertible bond | (405,407) |  |
Exchange alignment |  | 798,360 | (94,349)
Ending balance |  | 13,752,673 | 12,954,313
Convertible Bond [member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 111,970,384 | 103,278,429 | 95,995,690
Interest expenses | 430,702 | 8,085,419 | 7,717,348
Conversion of convertible bond | (112,401,086) |  |
Exchange alignment |  | 606,536 | (434,609)
Ending balance |  | 111,970,384 | 103,278,429
Bank Borrowings [Member] |  |  |
Disclosure of reconciliation of liabilities arising from financing activities [line items] |  |  |
Beginning balance | 388,870,500 | 232,280,000 |
Cash flow from financing activities | (239,383,150) | 151,263,786 | 230,962,565
Interest expenses | 6,298,576 | 4,740,504 | 1,317,435
Acquisition of subsidiaries | 4,589,759 |  |
Exchange alignment | 103,416 | 586,210 |
Ending balance | $ 160,479,101 | $ 388,870,500 | $ 232,280,000

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- Definition The fair value gain (loss) that would have been recognised in profit or loss if financial assets had not been reclassified. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 12D -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_12D_b&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, net of tax, before reclassification adjustments. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_91_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in liabilities arising from financing activities resulting from obtaining or losing control of subsidiaries or other businesses. [Refer: Liabilities arising from financing activities; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2022-03-24 -Paragraph 44B -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2022-en-r&anchor=para_44B_b&doctype=Standard -URIDate 2022-03-24 + Details
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