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Investments in Affiliates (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023	Apr. 29, 2023
Schedule of Investments [Line Items]
Equity method investments	$ 8,513		$ 8,513		$ 11,934
Equity in loss of affiliates	869	$ 895	2,330	$ 2,596
Accounts payable	2		2
Amount invested			4,084	3,240
Purchase of convertible notes	$ 13,134		13,134
Convertible note and investment in affiliates, amount			$ 21,647	24,836
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]
Amount invested			$ 3,000
Promissory Notes
Schedule of Investments [Line Items]
Amount invested			1,084
Product Design and Development
Schedule of Investments [Line Items]
Related party transaction, amounts of transaction			$ 162	$ 672

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