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Investments (Tables) | 6 Months Ended
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Oct. 26, 2024
Investments |
Schedule of investments | Investments consist of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | October 26, | ​ | April 30, | ​
​ |  | 2024 |  | 2024 |
Long-term investments: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available-for-sale securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​
Equity securities and warrants | ​ | ​ | 760 | ​ | ​ | 1,027 | ​
Total long-term available-for-sale securities investments | ​ |  | 760 | ​ |  | 1,027 | ​
Equity method investments | ​ | ​ | ​ | ​ | ​ | ​ | ​
Investments in limited partnership funds | ​ |  | 22,182 | ​ |  | 19,933 | ​
Total equity method investments | ​ |  | 22,182 | ​ |  | 19,933 | ​
Total long-term investments | ​ | $ | 22,942 | ​ | $ | 20,960 | ​
Schedule of equity securities and warrants are measured at fair value with net unrealized gains and losses from changes in the fair value recognized in other income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Three Months Ended | ​ | Six Months Ended | ​ | Six Months Ended
​ | ​ | October 26, 2024 | ​ | October 28, 2023 | ​ | October 26, 2024 | ​ | October 28, 2023
Net losses recognized during the period on equity securities | ​ | $ | 54 | ​ | $ | (2,450) | ​ | $ | (267) | ​ | $ | (3,463)
Less: Net loss recognized during the period on equity securities sold during the period | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Unrealized loss recognized during the period on equity securities still held at the reporting date | ​ | $ | 54 | ​ | $ | (2,450) | ​ | $ | (267) | ​ | $ | (3,463)
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