BALANCE SHEET INFORMATION (Details 1) - USD ($) $ in Thousands	6 Months Ended
Nov. 29, 2024	May 31, 2024
Leasehold improvements	$ 2,699	$ 1,588
Machinery and equipment	4,718	4,528
Test equipment	1,965	1,928
Furniture and fixtures	198	175
Property and equipment, gross	9,580	8,219
Less: Accumulated depreciation and amortization	(5,274)	(4,966)
Property and equipment, net	$ 4,306	$ 3,253
Test Equipment [Member] \| Top [Member]
Property and equipment useful life	5 years
Test Equipment [Member] \| Bottom [Member]
Property and equipment useful life	4 years
Machinery And Equipment [Member] \| Top [Member]
Property and equipment useful life	5 years
Machinery And Equipment [Member] \| Bottom [Member]
Property and equipment useful life	3 years
Furniture And Fixtures [Member] \| Top [Member]
Property and equipment useful life	5 years
Furniture And Fixtures [Member] \| Bottom [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 physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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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