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REVENUE (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 29, 2024	Nov. 30, 2023	Nov. 29, 2024	Nov. 30, 2023
Net sales	$ 13,453	$ 21,431	$ 26,572	$ 42,055
Services [Member]
Net sales	1,468	1,594	2,433	2,861
Systems [Member]
Net sales	3,410	10,685	3,470	18,779
Contactors [Member]
Net sales	$ 8,575	$ 9,152	$ 20,669	$ 20,415

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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