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Investments in Affiliates (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 26, 2024 | Oct. 28, 2023 | Oct. 26, 2024 | Oct. 28, 2023 | Apr. 27, 2024
Schedule of Investments [Line Items] |  |  |  |  |
Equity method investments | $ 257 |  | $ 257 |  | $ 1,813
Income (loss) from equity method investments | (901) | $ (771) | (1,832) | $ (1,461) |
Equity method investment, other-than-temporary impairment | 0 | 212 | 0 | 654 |
Accounts payable | 134 | $ 14 | 134 | 14 |
Amount invested |  |  | 2,041 | 2,899 |
Purchase of convertible notes | $ 16,396 |  | 16,396 |  | 14,241
Convertible note and investment in affiliates, amount |  |  | $ 16,653 |  | 16,054
Miortech |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Ownership percentage | 55.90% |  | 55.90% |  |
XdisplayTM |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Ownership percentage | 16.40% |  | 16.40% |  |
Convertible note |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Payments to fund long-term loans to related parties |  |  | $ 2,049 |  |
Amount invested |  |  |  |  | $ 5,050
Product Design and Development |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Related party transaction, amounts of transaction |  |  | $ 497 | $ 123 |

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