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Stock-based Compensation and Stockholders’ Equity - Summary of Stock-based Compensation by Income Statement Line Item (Details) - USD ($) $ in Thousands	12 Months Ended
	May 28, 2023	May 29, 2022	May 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 3,612	$ 2,608	$ 3,360
Discontinued Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	0	(34)	55
Cost of sales | Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	404	314	348
Research and development | Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	193	202	223
Selling, general and administrative | Continuing Operations
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 3,015	$ 2,126	$ 2,734

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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