Summary Of Significant Accounting Policies (Details 3) - USD ($)	Feb. 28, 2021	May 31, 2020
Property, plant and equipment, gross	$ 4,284,774	$ 2,167,267
Less accumulated depreciation	(1,897,178)	(1,680,478)
Property, plant and equipment, net	2,176,308	486,789
Land
Property, plant and equipment, gross	159,000	159,000
Buildings and Improvements
Property, plant and equipment, gross	2,814,299	1,612,003
Furniture, Fixtures and Equipment
Property, plant and equipment, gross	$ 1,100,187	$ 396,264

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business 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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