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Strategic Investment in Prismo Metals Inc. and Intangible Assets - Disclosure of restricted holding period and voluntary escrow of discount for lack of marketability (Details) - Level 2 of fair value hierarchy [Member] | 12 Months Ended
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Apr. 30, 2024 | Apr. 30, 2023
Market Price Closing Date Six July Twenty Three [Member] |  |
Disclosure Of Intangible Assets Line Items |  |
DLOM |  | 8.90%
Market Price Closing Date Six Jan Twenty Four [Member] |  |
Disclosure Of Intangible Assets Line Items |  |
DLOM |  | 22.10%
Market Price Closing Date Six July Twenty Four [Member] |  |
Disclosure Of Intangible Assets Line Items |  |
DLOM | 10.87% | 27.50%
Market Price Closing Date Six Jan Twenty Five [Member] |  |
Disclosure Of Intangible Assets Line Items |  |
DLOM | 19.90% | 30.00%

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