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Goodwill and Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Apr. 30, 2022
May 01, 2021
May 02, 2020
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill, impairment loss $ 0 $ 0 $ 0
Amortization of intangible assets, total $ 504,000 $ 1,502,000 $ 1,498,000