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Revenue - Summary of Disaggregation of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2021
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | $ 33,066 | $ 25,271 | [1] | $ 25,251 | [1]
Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 28,037 | 23,689 |  | 23,740 |
Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,540 | 1,514 |  | 1,511 |
Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 2,195 |  |  |  |
Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,294 | 68 |  | 0 |
A point in time [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,540 | 1,514 |  | 1,511 |
A point in time [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
A point in time [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,540 | 1,514 |  | 1,511 |
A point in time [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
A point in time [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
Over time [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 31,526 | 23,757 |  | 23,740 |
Over time [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 28,037 | 23,689 |  | 23,740 |
Over time [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
Over time [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 2,195 |  |  |  |
Over time [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,294 | 68 |  | 0 |
Digital solutions services—non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 28,037 | 23,689 |  | 23,740 |
Digital solutions services—non financial services [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 28,037 | 23,689 |  | 23,740 |
Digital solutions services—non financial services [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
Digital solutions services—non financial services [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
Digital solutions services—non financial services [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
Digital solutions services—financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,540 | 1,514 |  | 1,511 |
Digital solutions services—financial services [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | 0 |
Digital solutions services—financial services [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,540 | 1,514 |  | 1,511 |
Digital solutions services—financial services [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
Digital solutions services—financial services [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  | $ 0 |
Digital media, content, and marketing services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,294 | 68 |  |  |
Digital media, content, and marketing services [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  |  |
Digital media, content, and marketing services [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 | 0 |  |  |
Digital media, content, and marketing services [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
Digital media, content, and marketing services [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 1,294 | $ 68 |  |  |
Hotel operations, hospitality and VIP services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 2,195 |  |  |  |
Hotel operations, hospitality and VIP services [member] | Digital solutions services - non financial services [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
Hotel operations, hospitality and VIP services [member] | Digital solutions services financial services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 0 |  |  |  |
Hotel operations, hospitality and VIP services [member] | Hotel operations, hospitality and VIP services segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | 2,195 |  |  |  |
Hotel operations, hospitality and VIP services [member] | Digital media, content, and marketing services and others segment [member] |  |  |  |  |
Disclosure of disaggregation of revenue from contracts with customers [line items] |  |  |  |  |
Revenue from contracts with customers | $ 0 |  |  |  |
[1] | The comparative consolidated financial statements have been re-presented from Hong Kong dollar to US$ to reflect the Company’s change in presentation currency. See note 1.

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- Definition The amount of revenue from contracts with customers. A customer is a party that has contracted with an entity to obtain goods or services that are an output of the entity’s ordinary activities in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2022-03-24 -Paragraph 114 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_114&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2022-03-24 -Paragraph 113 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2022-en-r&anchor=para_113_a&doctype=Standard -URIDate 2022-03-24 + Details
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