Retirement Benefit Plan (Details Narrative) - USD ($)	3 Months Ended
Jul. 31, 2019	Jul. 31, 2018
Retirement Benefits [Abstract]
Employees matching contributions	$ 2,000	$ 2,000

Maximum amount the employee may contribute to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration