Geographic Information (Details) - USD ($)	9 Months Ended
Feb. 29, 2020	May 31, 2019
Geographic Information (Details) [Line Items]
Property, Plant and Equipment, Net	$ 301,153	$ 351,070
MEXICO
Geographic Information (Details) [Line Items]
Inventory, Gross	629,000	665,000
Property, Plant and Equipment, Net	$ 33,000	$ 39,000
Geographic Concentration Risk [Member]
Geographic Information (Details) [Line Items]
Concentration Risk, Percentage	10.00%

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
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-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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