Marketable Securities (Details) - Schedule of assets measured at fair value on a recurring basis - Equity Securities [Member] - USD ($)	Feb. 28, 2021	May 31, 2020
Marketable Securities (Details) - Schedule of assets measured at fair value on a recurring basis [Line Items]
Assets measured at fair value, Total	$ 48,624	$ 50,344
Level 1 [Member]
Marketable Securities (Details) - Schedule of assets measured at fair value on a recurring basis [Line Items]
Assets measured at fair value, Total	48,624	50,344
Level 2 [Member]
Marketable Securities (Details) - Schedule of assets measured at fair value on a recurring basis [Line Items]
Assets measured at fair value, Total
Level 3 [Member]
Marketable Securities (Details) - Schedule of assets measured at fair value on a recurring basis [Line Items]
Assets measured at fair value, Total