Fair Value Measurements (Details) - USD ($) $ in Thousands |
Apr. 30, 2026 |
Apr. 30, 2025 |
|---|---|---|
| Fair Value Measurements | ||
| Available-for-sale securities | $ 276,031 | |
| Recurring basis | ||
| Fair Value Measurements | ||
| Available-for-sale securities | 276,031 | |
| Equity securities | $ 1,080 | |
| Warrants | 124 | |
| Total | 276,031 | 1,204 |
| Financial liabilities measured at fair value | 0 | 0 |
| Recurring basis | Quoted prices in active market for identical assets (Level 1) | ||
| Fair Value Measurements | ||
| Equity securities | 1,080 | |
| Total | 1,080 | |
| Recurring basis | Significant other observable inputs (Level 2) | ||
| Fair Value Measurements | ||
| Available-for-sale securities | 276,031 | |
| Warrants | 124 | |
| Total | $ 276,031 | $ 124 |
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- Definition Fair value portion of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. No definition available.
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- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/exampleRef
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- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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