Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Property, Plant and Equipment

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Property, Plant and Equipment
12 Months Ended
May 31, 2020
Property, Plant and Equipment [Line Items]  
Estimated Useful Life Term of lease
Office Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 3 years
Office Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 5 years
Furniture and Fixtures [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 3 years
Furniture and Fixtures [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 7 years
Machinery and Equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 3 years
Machinery and Equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Estimated Useful Life 10 years