BALANCE SHEET INFORMATION (Details 1) - USD ($) $ in Thousands	3 Months Ended
Aug. 30, 2024	Aug. 31, 2024	May 31, 2024
Leasehold improvements	$ 1,729		$ 1,588
Machinery and equipment	4,650		4,528
Test equipment	2,092		1,928
Furniture and fixtures	176		175
Property and equipment, gross	8,647		8,219
Less: Accumulated depreciation and amortization	(5,144)		(4,966)
Property and equipment, net	$ 3,503	$ 3,503	$ 3,253
Maximum \| Machinery And Equipment [Member]
Property and equipment useful life	5 years
Maximum \| Test Equipment [Member]
Property and equipment useful life	5 years
Maximum \| Furniture And Fixtures [Member]
Property and equipment useful life	5 years
Minimum [Member] \| Machinery And Equipment [Member]
Property and equipment useful life	3 years
Minimum [Member] \| Test Equipment [Member]
Property and equipment useful life	4 years
Minimum [Member] \| Furniture And Fixtures [Member]
Property and equipment useful life	2 years

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale.

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