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GEOGRAPHIC INFORMATION (Details) - MEXICO - USD ($)	Nov. 30, 2020	May 31, 2020
GEOGRAPHIC INFORMATION (Details) [Line Items]
Inventory, Gross	$ 555,000	$ 613,000
Property, Plant and Equipment, Net	$ 28,000	$ 31,000

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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