v3.23.1
Condensed Balance Sheets (Parenthetical) (Unaudited) - $ / shares
Jan. 31, 2023
Apr. 30, 2022
Apr. 30, 2021
Preferred stock par value $ 0.001 $ 0.001  
Preferred stock, shares authorized 20,000,000 20,000,000  
Common stock, par value $ 0.001 $ 0.001 $ 0.001
Common stock, shares authorized 500,000,000 500,000,000 500,000,000
Common stock, shares, issued 8,349,859 3,323,942 3,313,841
Common stock, shares outstanding 8,349,859 3,323,942 3,313,841
Series A, B and C Convertible Preferred Stock      
Preferred stock par value $ 0.001 $ 0.001 $ 0.001
Preferred stock, shares authorized 20,000,000 20,000,000 20,000,000
Preferred stock, shares designated 620,000 620,000 620,000
Preferred stock, shares issued 403,228 483,265 483,265
Preferred stock, shares outstanding 403,228 483,265 483,265