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Note 3 – Divestiture of Consumer Segment (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2024
Apr. 30, 2024
Feb. 16, 2024
Discontinued Operations and Disposal Groups [Abstract]      
Noncash or Part Noncash Divestiture, Amount of Consideration Received   $ 20  
[custom:NoncashOrPartNoncashDivestitureCashConsiderationReceived1]   1,000,000  
[custom:NoncashOrPartNoncashDivestiturePromissoryNoteConsiderationReceived1]   2,000,000  
[custom:NoncashOrPartNoncashDivestitureSecuritiesConsiderationReceived1] $ 17,000,000 $ 17,000,000  
[custom:NoncashOrPartNoncashDivestitureSecuritiesConsiderationReceivedShares] 4,250,000    
[custom:WorkingCapitalAtClosingOfDisposalGroup-0]     $ 2,000,000