Summary of Significant Accounting Policies (Details Narrative) - USD ($)	9 Months Ended	12 Months Ended
Jan. 31, 2021	Apr. 30, 2020	Apr. 30, 2019
Accounting Policies [Abstract]
Prepaid expenses and other current assets	$ 368,119	$ 212,718	$ 212,718
Impairment of goodwill
Tax refund receivable	$ 219,072	$ 219,072

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration