Deposits and advances (Details) - USD ($)	Nov. 30, 2021	Aug. 31, 2021
Total deposits and advances	$ 3,233,720	$ 3,156,163
Towards the purchase of prefabricated buildings [Member]
Total deposits and advances	2,656,695	2,656,695
Vitalis equipment deposit [Member]
Total deposits and advances	233,496	233,496
Deposit towards a license acquisition [Member]
Total deposits and advances	150,000	150,000
Prepayments for construction facility in Colombia [Member]
Total deposits and advances	77,829	115,972
Refundable deposits towards future land acquisitions [Member]
Total deposits and advances	$ 115,700	$ 0