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Summary of Significant Accounting Policies - Schedule of Property, Plant and Equipment, Useful Life (Details)	12 Months Ended
	Apr. 30, 2020	Apr. 30, 2019
Computer Equipment & Software [Member]
Property and equipment, useful life (Year)	3 years
Equipment Under Capitalized Lease [Member]
Property and equipment, useful life	Over the life of the lease
Leasehold Improvements [Member]
Property and equipment, useful life	Shorter of the estimated useful life or lease term
Minimum [Member] | Equipment [Member]
Property and equipment, useful life (Year)		5 years
Minimum [Member] | Office Furniture & Fixtures [Member]
Property and equipment, useful life (Year)	3 years
Maximum [Member] | Equipment [Member]
Property and equipment, useful life (Year)	7 years
Maximum [Member] | Office Furniture & Fixtures [Member]
Property and equipment, useful life (Year)	7 years

X

- Definition

Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 35
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68071081&loc=d3e1205-110223

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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