Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Property, Plant and Equipment (Details) - Property, Plant and Equipment

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Note 9 - Property, Plant and Equipment (Details) - Property, Plant and Equipment - USD ($)
Aug. 31, 2019
May 31, 2019
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross $ 1,177,246 $ 969,196
Less: accumulated depreciation (601,713) (546,408)
Property, plant, and equipment, net 2,914,385 1,910,301
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross 53,152 53,152
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross 140,701 140,701
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant, and equipment, gross $ 2,144,999 $ 1,293,660