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Strategic Investment in Prismo Metals Inc. and Intangible Asset (Narrative) (Details) $ / shares in Units, shares in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 06, 2023 CAD ($) Shares $ / shares | Apr. 30, 2024 CAD ($) Shares $ / shares shares | Apr. 30, 2023 CAD ($) $ / shares
Disclosure Of Intangible Assets Line Items |  |  |
Intangible asset, fair value |  | $ 443,930 |
Change in fair value |  | $ (691,704) | $ (116,127)
Level 2 Fair Value Measurement [Member] |  |  |
Disclosure Of Intangible Assets Line Items |  |  |
Share price is derived from market price | $ / shares | $ 1.62 | $ 0.145 | $ 0.335
Prismo Metals Inc. [Member] |  |  |
Disclosure Of Intangible Assets Line Items |  |  |
Description of right of first refusal | The Company reserves the right to purchase the Offered Interest at the same price and under the same conditions within a 45-day window. If the Company declines or fails to respond, Prismo is permitted to sell to the third party after laps of 90 days, and the Company's rights expire after four years, unless its percentage of ownership is below 8%. The Company's ROFR persists through any changes of control of Prismo. |  |
Number of units acquired | Shares | 4,000,000 | 2,000,000 |
Percentage of securities released every six months | 25.00% |  | 25.00%
Number of shares acquired | Shares |  | 4,000,000 |
Cash payment | $ 500,000 |  |
Number of common shares issued | Shares | 1,000,000 |  |
Value of shares issued for acquisition | $ 1,357,155 | $ 1,357,155 |
Percentage of issued and outstanding shares |  | 10.08% |
Percentage of issued and outstanding shares on a non-diluted basis |  | 14.40% |
Number of shares released from voluntary hold | shares |  | 2 |
Exercise price of Prismo warrant | $ / shares | $ 0.75 |  |
Prismo Metals Inc. [Member] | Prismo Shares [Member] |  |  |
Disclosure Of Intangible Assets Line Items |  |  |
Percentage of securities released every six months | 25.00% |  |
Fair value of units | $ 1,413,225 |  |
Prismo Metals Inc. [Member] | Level 2 Fair Value Measurement [Member] |  |  |
Disclosure Of Intangible Assets Line Items |  |  |
Share price is derived from market price | $ / shares | $ 0.48 |  |

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