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Investment in a joint venture (Details) - 1 months ended Jun. 24, 2022 | USD ($) | HKD ($)
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Investment in a joint venture [Abstract] |  |
Partnership agreement | $ 256,420 | $ 2,000,000
Partnership interest | 20.00% |

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- Definition The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership. + References No definition available. + Details
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- Definition Costs incurred in connection with the offering and selling of additional partner interest. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 5.D.Q1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 340 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.A) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480341/340-10-S99-1 + Details
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