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Summary of shares of common stock issued (Details) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2024
Jul. 31, 2023
Oct. 31, 2024
Oct. 31, 2023
Apr. 30, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Exercise of stock options $ 14,966        
Common Stock [Member]          
Accumulated Other Comprehensive Income (Loss) [Line Items]          
Shares, Outstanding, Beginning Balance 74,890,248 54,568,065 74,289,351 54,568,065 54,568,065
Vesting of restricted stock to employees, net of shares withheld of 138,744 to pay taxes     540,590   192,742
Vesting of restricted stock to Board of Directors     61,447   252,214
Vesting of restricted stock to consultants         1,761
Conversion of preferred stock         818,334
Issuance of common stock through ATM facilities         53,235
Issuance of common stock through public offering         18,400,000
Exercise of stock options 58,446       3,000
Shares, Outstanding, Ending Balance 78,025,403 55,541,875 78,025,403 55,649,896 74,289,351
Exercise of stock options $ 58   $ 58,446    
Exercise of warrants 222,983 307,595 530,578    
FlightWave acquisition     $ 2,544,991