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Operating Segments - Additional Information (Detail) $ in Thousands | 12 Months Ended |
--- | --- | ---
Apr. 30, 2023 USD ($) Segment | Apr. 30, 2022 USD ($) Segment | Apr. 30, 2021 USD ($) | May 01, 2021 USD ($) | [1]
Disclosure of operating segments [line items] |  |  |  |  |
Non current assets | $ 342,173 | $ 31,263 | [1] |  | $ 52,651
Number of operating segments | Segment | 4 | 3 |  |  |
Digital solutions services—non financial services [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenue | $ 0 | $ 1,554 |  | $ 5,007 |
Hongkong [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Non current assets | 172,141 | 4 |  | 6 |
Canada [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Non current assets | 66,618 |  |  |  |
Singapore [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Non current assets | 67,898 | 12,129 |  | 14,250 |
External customers [member] | Hongkong [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenue | 31,736 | 25,158 |  | 24,950 |
External customers [member] | Canada [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenue | 1,107 |  |  |  |
External customers [member] | Singapore [member] |  |  |  |  |
Disclosure of operating segments [line items] |  |  |  |  |
Revenue | $ 223 | $ 113 |  | $ 301 |
[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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