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 Jan. 31, 2021 | shares	47,931,983
Beginning balances at Apr. 30, 2020	$ (40,118,394)
Retained Earnings
Net loss	(2,145,603)
Ending balances at Jan. 31, 2021	(42,263,997)
Beginning balances at Apr. 30, 2020	4,557,898
Accumulated other comprehensive income
Foreign currency translation adjustment	694,963
Ending balances at Jan. 31, 2021	5,252,861
Beginning balances at Apr. 30, 2020	0
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(1,329,521)
Accumulated other comprehensive income/(loss) Minority Interest	405,724
Ending balances at Jan. 31, 2021	(923,797)
Total equity, ending balances at Jan. 31, 2021	9,997,050
Total equity, beginning balances at Oct. 31, 2020	$ 11,446,836
Beginning balances at Oct. 31, 2020 | shares	47,931,983
Common stock and additional paid-in capital
Common stock issued	$ 0
Ending balances at Jan. 31, 2021 | shares	47,931,983
Beginning balances at Oct. 31, 2020	$ (41,184,373)
Retained Earnings
Net loss	(1,079,624)
Ending balances at Jan. 31, 2021	(42,263,997)
Beginning balances at Oct. 31, 2020	4,986,925
Accumulated other comprehensive income
Foreign currency translation adjustment	265,936
Ending balances at Jan. 31, 2021	5,252,861
Beginning balances at Oct. 31, 2020	(396,353)
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(681,222)
Accumulated other comprehensive income/(loss) Minority Interest	153,778
Ending balances at Jan. 31, 2021	(923,797)
Total equity, ending balances at Jan. 31, 2021	9,997,050
Total 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
Ending balances at Jan. 31, 2022 | shares	47,931,983
Beginning balances at Apr. 30, 2021	$ (43,357,208)
Retained Earnings
Net loss	(2,587,161)
Ending balances at Jan. 31, 2022	(45,944,369)
Beginning balances at Apr. 30, 2021	5,193,512
Accumulated other comprehensive income
Foreign currency translation adjustment	74,453
Ending balances at Jan. 31, 2022	5,267,965
Beginning balances at Apr. 30, 2021	(1,639,756)
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(1,616,222)
Accumulated other comprehensive income/(loss) Minority Interest	41,107
Ending balances at Jan. 31, 2022	(3,214,871)
Total equity, ending balances at Jan. 31, 2022	4,040,708
Total equity, beginning balances at Oct. 31, 2021	$ 7,388,447
Beginning balances at Oct. 31, 2021 | shares	47,931,983
Common stock and additional paid-in capital
Common stock issued	$ 0
Ending balances at Jan. 31, 2022 | shares	47,931,983
Beginning balances at Oct. 31, 2021	$ (44,986,263)
Retained Earnings
Net loss	(958,106)
Ending balances at Jan. 31, 2022	(45,944,369)
Beginning balances at Oct. 31, 2021	5,239,855
Accumulated other comprehensive income
Foreign currency translation adjustment	28,110
Ending balances at Jan. 31, 2022	5,267,965
Beginning balances at Oct. 31, 2021	(2,627,718)
Noncontrolling Interest
Noncontrolling Interest Profit Loss	(602,387)
Accumulated other comprehensive income/(loss) Minority Interest	15,234
Ending balances at Jan. 31, 2022	(3,214,871)
Total equity, ending balances at Jan. 31, 2022	$ 4,040,708