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Intangible Assets (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 40,000 $ 6,000 $ 79,000 $ 12,000