Note 2 - Summary of Significant Accounting Policies: Research and Development (Policies)	9 Months Ended
Jan. 31, 2018
Policies
Research and Development	*RESEARCH AND DEVELOPMENT* Research and development costs are expensed as incurred and are included in general and administrative expenses in the accompanying statements of operations. Research and development costs are incurred on a project specific basis. Research and development cost were $284,351 and $283,815 for the three months ended January 31, 2018 and 2017, and $650,654 and $393,143 for the nine months ended January 31, 2018 and 2017, respectively.

Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

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Balance Type:	na
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