Consolidated Statement of Stockholders' Deficit - USD ($)
Series A Preferred Stock [Member]
Series B Preferred Stock [Member]
Series C Preferred Stock [Member]
Class A and Class B Common Stock [Member]
Additional Paid in Capital [Member]
Subscription Receivable [Member]
Shares to be Issued [Member]
Treasury Stock [Member]
Accumulated Deficit [Member]
Total
Balance at Apr. 30, 2018 $ 8,669 $ 1,000 $ 395 $ 6,617 $ 25,423,589 $ (114,405) $ 196,500 $ (54,535,258) $ (29,012,893)
Balance, shares at Apr. 30, 2018 86,694,540 10,000,000 3,950,000 66,170,000            
Preferred shares issued for equity investments $ 750 1,874,250 1,875,000
Preferred shares issued for equity investments, shares 7,500,000                  
Common stock issued for cash $ 87 217,413 (215,000) 2,500
Common stock issued for cash, shares 870,000            
Preferred stock issued for cash $ 17 42,483 (2,500) 40,000
Preferred stock issued for cash,shares 170,000              
Common stock issued for professional services $ 45 118,955 2,000 121,000
Common stock issued for professional services, shares 449,851            
Common share subscriptions received in advance 40,000 40,000
Warrants issued for common stock (258,132) (258,132)
Reclassification of derivative 1,178,132 1,178,132
Conversions of preferred stock $ (5,131) $ (60) $ 5,191
Conversions of preferred stock, shares (51,315,790) (600,000) 51,915,790            
Conversion of debt $ 320 15,680 16,000
Conversion of debt, shares       3,200,000            
Repurchase and retirement of common stock $ (3,000) (297,000) (300,000)
Repurchase and retirement of common stock, shares (30,000,000)            
Share-based compensation expense 3,554,451 3,554,451
Stock options and warrants exercised $ 2,148 200 2,348
Stock options and warrants exercised, shares 21,471,420            
Net earnings                 21,423,337 21,423,337
Balance at Apr. 30, 2019 $ 4,288 $ 1,000 $ 352 $ 11,408 31,870,020 (114,405) 21,000   (33,111,921) (1,318,258)
Balance, shares at Apr. 30, 2019 42,878,750 10,000,000 3,520,000 114,077,061            
Common stock issued for cash $ 3 7,497 (7,500)  
Common stock issued for cash, shares 30,000            
Preferred stock issued for cash $ 2 4,998   5,000
Preferred stock issued for cash,shares 20,000            
Common stock issued for professional services $ 21 56,979 (1,715)   55,285
Common stock issued for professional services, shares 215,325            
Conversions of preferred stock $ (1,040) $ (5) $ 1,045
Conversions of preferred stock, shares (10,400,000) (50,000) 10,450,000            
Repurchase and retirement of common stock $ (150) (350) (500)
Repurchase and retirement of common stock, shares (1,500,000)            
Share-based compensation expense 6,904,193 6,904,193
Stock options and warrants exercised $ 1,000 1,000
Stock options and warrants exercised, shares 10,000,000            
Conversion of interest payable $ 280 27,720 28,000
Conversion of interest payable, shares 2,800,000            
Purchase of treasury stock (1,532,355) (1,532,355)
Deemed dividend (3,669,381) (3,669,381)
Net earnings   2,788,605 2,788,605
Balance at Apr. 30, 2020 $ 3,248 $ 1,000 $ 349 $ 13,607 $ 38,871,057 $ (114,405) $ 11,785 $ (1,532,355) $ (33,992,697) $ 3,261,589
Balance, shares at Apr. 30, 2020 32,478,750 10,000,000 3,490,000 136,072,386