Summary of Significant Accounting Policies (Details - Useful life)	9 Months Ended
	Jan. 31, 2023
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Useful lives of property and equipment	Shorter of estimated useful life or lease term
Other Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful lives of property and equipment	5 – 10 years
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Useful lives of property and equipment	3 – 5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Useful lives of property and equipment	5 – 10 years