CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY	USD ($) shares
Total equity, beginning balances at Apr. 30, 2020	$ 12,371,487
Beginning balances at Apr. 30, 2020 | shares	47,931,983
Common stock and additional paid-in capital
Common stock issued	$ 0
Ending balances at Apr. 30, 2021 | shares	47,931,983
Beginning balances at Apr. 30, 2020	$ (40,118,394)
Accumulated deficit
Net loss	(3,238,814)
Ending balances at Apr. 30, 2021	(43,357,208)
Beginning balances at Apr. 30, 2020	4,557,898
Accumulated other comprehensive income/(loss)
Foreign currency translation adjustment	635,614
Ending balances at Apr. 30, 2021	5,193,512
Beginning balances at Apr. 30, 2020	0
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(2,010,461)
Accumulated other comprehensive income/(loss) Minority Interest	370,705
Ending balances at Apr. 30, 2021	(1,639,756)
Total equity, ending balances at Apr. 30, 2021	8,128,531
Common stock and additional paid-in capital
Common stock issued	$ 0
Ending balances at Apr. 30, 2022 | shares	47,931,983
Accumulated deficit
Net loss	$ (2,910,189)
Ending balances at Apr. 30, 2022	(46,267,397)
Accumulated other comprehensive income/(loss)
Foreign currency translation adjustment	(31,094)
Ending balances at Apr. 30, 2022	5,162,418
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(1,683,399)
Accumulated other comprehensive income/(loss) Minority Interest	(17,093)
Ending balances at Apr. 30, 2022	(3,340,248)
Total equity, ending balances at Apr. 30, 2022	$ 3,486,756