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Income Taxes - Summary of Deferred Tax Assets Associated with Loss Carryforwards (Details) - USD ($) $ in Thousands | Apr. 29, 2023 | Apr. 30, 2022
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Income Tax Disclosure [Abstract] |  |
Federal net operating losses | $ 530 | $ 908
Various U.S. state net operating losses (excluding federal tax effect) | 2,074 |
Foreign capital losses | 147 |
Foreign net operating losses | $ 131 |

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