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Schedule of Components of Intangible Assets (Details) - USD ($)
$ in Thousands
Jul. 31, 2024
Apr. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]    
Patents $ 2,729 $ 2,729
Trademarks 2,769 2,769
Intangible assets, gross 5,498 5,498
Accumulated amortization (1,909) (1,876)
Intangible assets, net $ 3,589 $ 3,622