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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) |  | 12 Months Ended
--- | --- | ---
Oct. 30, 2022 | Apr. 29, 2023 | Apr. 30, 2022 | May 01, 2021
Goodwill [Roll Forward] |  |  |  |
Beginning Balance |  | $ 7,927,000 |  |
Foreign currency translation |  | (112,000) |  |
Goodwill impairment | $ (4,576,000) | (4,576,000) | $ 0 | $ 0
Ending Balance |  | 3,239,000 | 7,927,000 |
Live Events |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning Balance |  | 2,296,000 |  |
Foreign currency translation |  | (15,000) |  |
Goodwill impairment |  | (2,281,000) |  |
Ending Balance |  | 0 | 2,296,000 |
Commercial |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning Balance |  | 3,349,000 |  |
Foreign currency translation |  | (151,000) |  |
Goodwill impairment |  | 0 |  |
Ending Balance |  | 3,198,000 | 3,349,000 |
Transportation |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning Balance |  | 68,000 |  |
Foreign currency translation |  | (27,000) |  |
Goodwill impairment |  | 0 |  |
Ending Balance |  | 41,000 | 68,000 |
International |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Beginning Balance |  | 2,214,000 |  |
Foreign currency translation |  | 81,000 |  |
Goodwill impairment |  | (2,295,000) |  |
Ending Balance |  | $ 0 | $ 2,214,000 |

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