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9. COMMITMENTS AND CONTINGENCIES (Details Narrative) - USD ($) | 12 Months Ended
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Apr. 30, 2020 | Apr. 30, 2019
Commitments and Contingencies Disclosure [Abstract] |  |
Rent and lease expense | $ 30,964 | $ 34,153

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 + Details
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