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Notes To The Consolidated Statements Of Cash Flows - Additional Information (Detail) | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2021 HKD ($) shares | Dec. 31, 2022 HKD ($) shares | Dec. 31, 2021 HKD ($) shares | Dec. 31, 2020 HKD ($) | Dec. 31, 2022 $ / shares shares | Apr. 30, 2022 $ / shares | Jan. 31, 2022 $ / shares | Dec. 31, 2021 $ / shares shares
Notes To The Consolidated Statement Of Cash Flows [Line Items] |  |  |  |  |  |  |  |  |
Purchasing financial assets |  |  |  | $ 181,633,667 | $ 148,671,602 |  |  |  |
Peoceeds from Disposel of equity linked notes by subsidiary |  |  |  |  | 195,789,033 |  |  |  |
Gain recognized on investment of equity linked notes |  |  |  | 119,113,730 | $ 82,948,667 |  |  |  |
Acquisition of financial assets at fair value through profit or loss |  |  |  | 163,180,000 |  |  |  |  |
Disposal of financial assets at fair value through profit or loss |  |  |  | $ 196,036,584 |  |  |  |  |
Proceeds from issue of shares |  |  | $ 195,265,523 |  |  |  |  |  |
Par value per share | $ / shares |  |  |  |  |  |  | $ 4.28 | $ 4.28 |
Consideration Paid Through Transfer Of Listed Equity Investments |  |  | $ 196,592,400 |  |  |  |  |  |
Class A ordinary shares [Member] |  |  |  |  |  |  |  |  |
Notes To The Consolidated Statement Of Cash Flows [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of ordinary shares | shares | [1] |  |  | 0 |  |  |  |  |
Stock Issued During Period, Shares, Conversion of Convertible Securities | shares |  |  | 1,856,436 |  |  |  |  |  |
Number of shares issued | shares |  |  |  |  |  | 144,077,210 |  |  | 62,327,851
Par value per share | $ / shares |  |  |  |  |  | $ 0.0001 |  |  | $ 0.0001
Class B Ordinary Shares [Member] |  |  |  |  |  |  |  |  |
Notes To The Consolidated Statement Of Cash Flows [Line Items] |  |  |  |  |  |  |  |  |
Repurchase of ordinary shares | shares |  | 69,144,673 | 36,923,963 | 69,144,673 |  |  |  |  |
Proceeds from issue of shares |  | $ 5,000,000,000 | $ 2,500,000,000 | $ 5,000,000,000 |  |  |  |  |
Number of shares issued | shares |  |  |  |  |  | 233,526,979 |  |  | 183,283,628
Par value per share | $ / shares |  |  |  |  |  | $ 0.0001 |  |  | $ 0.0001
Fellow Subsidiaries [Member] |  |  |  |  |  |  |  |  |
Notes To The Consolidated Statement Of Cash Flows [Line Items] |  |  |  |  |  |  |  |  |
Gain recognized on investment of equity linked notes |  |  | $ 5,998,446 | $ 5,998,446 |  |  |  |  |
Private Investor [Member] |  |  |  |  |  |  |  |  |
Notes To The Consolidated Statement Of Cash Flows [Line Items] |  |  |  |  |  |  |  |  |
Number of shares issued | shares |  |  |  |  |  | 5,852,805 |  |  |
Par value per share | $ / shares |  |  |  |  |  | $ 4.28 |  |  |
[1] | On September 30, 2021 and December 31,2022, the Company repurchased 69,144,673 and 36,923,963 ,respectively, Class B ordinary shares from the immediate holding company, amounting to HK$5,000,000,000 and HK$2,500,000,000. Details on N ote 28.

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