7. Income Taxes (Details - Valuation Allowance) - USD ($)	3 Months Ended	12 Months Ended
Jul. 31, 2017	Apr. 30, 2017
Income Tax Disclosure [Abstract]
Valuation allowance, beginning	$ 6,038	$ 1,621
Increase in valuation allowance	(1,700)	4,717
Valuation allowance, ending	$ 4,338	$ 6,038

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

Name:	us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant