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Stock-based Compensation and Stockholders' Equity - Summary of Stock-based Compensation by Income Statement Line Item (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 26, 2023 | Feb. 27, 2022 | Feb. 26, 2023 | Feb. 27, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | $ 903 | $ 622 | $ 2,796 | $ 1,928
Cost of product sales | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 109 | 75 | 307 | 177
Cost of product sales | Discontinued Operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 0 | 8 | 0 | 25
Research and development | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 31 | 51 | 173 | 151
Selling, general and administrative | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | $ 763 | $ 488 | $ 2,316 | $ 1,575

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