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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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