Investments in Equity Securities - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2024 |
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| Schedule of Equity Method Investments [Line Items] | |||
| Investments in equity securities | $ 12,382 | $ 5,179 | |
| Queens Road Capital Investment Ltd [Member] | |||
| Schedule of Equity Method Investments [Line Items] | |||
| Investments in equity securities | 12,382 | 5,179 | $ 6,636 |
| Fair value gain (loss) recognized on investments | 7,066 | $ (1,848) | |
| Sprott Physical Uranium Trust [Member] | |||
| Schedule of Equity Method Investments [Line Items] | |||
| Fair value gain (loss) recognized on investments | $ 1,842 | ||
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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