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Note 2 - Investments in Affiliates (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Oct. 30, 2021 | Oct. 30, 2020 | Oct. 30, 2021 | Oct. 31, 2020 | May 01, 2021
Equity Method Investments | $ 18,322 |  | $ 18,322 |  | $ 19,887
Income (Loss) from Equity Method Investments, Total | (819) | $ (616) | (1,565) | $ (1,145) |
Related Party Transaction, Amounts of Transaction |  |  | 898 | $ 560 |
Accounts Payable [Member] |  |  |  |  |
Due to Related Parties, Total | 584 |  | 584 |  |
Long-term Receivables, Less Current Maturities [Member] |  |  |  |  |
Equity Method Investments | $ 5,000 |  | $ 5,000 |  |

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