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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 | 6 Months Ended
--- | --- | ---
Nov. 27, 2022 | Nov. 28, 2021 | Nov. 27, 2022 | Nov. 28, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | $ 1,108 | $ 686 | $ 1,893 | $ 1,306
Cost of product sales | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 97 | 75 | 198 | 153
Cost of product sales | Discontinued Operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 0 | 8 | 0 | (34)
Research and development | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | 52 | 51 | 142 | 100
Selling, general and administrative | Continuing operations: |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total stock-based compensation | $ 959 | $ 552 | $ 1,553 | $ 1,087

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