Related Party Transactions (Details) - USD ($)	3 Months Ended
Jul. 31, 2021	Jul. 31, 2020
Related Party Transaction [Line Items]
Due to related parties	$ 4,400
Board Member \| Board Member One
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	9,000	$ 18,000
Board Member \| Board Member Two
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 2,974	$ 5,606

Carrying amount as of the balance sheet date of obligations due all related parties.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details