CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY	USD ($) shares
Total shareholders' 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
Liability converted to additional paid-in capital	$ 0
Ending balances at Jul. 31, 2020 | shares	47,931,983
Beginning balances at Apr. 30, 2020	$ (40,118,394)
Retained Earnings
Net loss	(662,599)
Ending balances at Jul. 31, 2020	(40,780,993)
Beginning balances at Apr. 30, 2020	4,557,898
Ending balances at Jul. 31, 2020	4,640,545
Beginning balances at Apr. 30, 2020	0
Noncontrolling Interest:
Noncontrolling Interest Profit Loss	(393,228)
Accumulated other comprehensive income/(loss) Minority Interest	48,529
Ending balances at Jul. 31, 2020	(344,699)
Total shareholders' equity, ending balances at Jul. 31, 2020	11,446,836
Accumulated other comprehensive income(loss):
Foreign currency translation adjustment	82,647
Total shareholders' equity, beginning balances at Apr. 30, 2021	$ 8,128,531
Beginning balances at Apr. 30, 2021 | shares	47,931,983
Common stock and additional paid-in capital:
Common stock issued	$ 0
Liability converted to additional paid-in capital	$ 0
Ending balances at Jul. 31, 2021 | shares	47,931,983
Beginning balances at Apr. 30, 2021	$ (43,357,208)
Retained Earnings
Net loss	(460,193)
Ending balances at Jul. 31, 2021	(43,817,401)
Beginning balances at Apr. 30, 2021	5,193,512
Ending balances at Jul. 31, 2021	5,199,853
Beginning balances at Apr. 30, 2021	(1,639,756)
Noncontrolling Interest:
Noncontrolling Interest Profit Loss	(289,924)
Accumulated other comprehensive income/(loss) Minority Interest	3,693
Ending balances at Jul. 31, 2021	(1,925,988)
Total shareholders' equity, ending balances at Jul. 31, 2021	7,388,447
Accumulated other comprehensive income(loss):
Foreign currency translation adjustment	$ 6,341