Concentrations, Risks and Uncertainties (Details Narrative)	12 Months Ended
May 31, 2020 USD ($)
Fiscal Year 2020 [Member]
Concentration Risk [Line Items]
Customer purchases amount	$ 1,768,000
Fiscal Year 2019 [Member]
Concentration Risk [Line Items]
Customer purchases amount	$ 1,587,000
Sales Revenue, Net [Member] \| Four Customers [Member] \| Fiscal Year 2020 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	87.00%
Sales Revenue, Net [Member] \| Three Customers [Member] \| Fiscal Year 2019 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	86.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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