Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

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Property, Plant and Equipment (Details) - USD ($)
3 Months Ended 6 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Property, Plant and Equipment [Abstract]        
Payments to Acquire Property, Plant, and Equipment     $ 145,015 $ 163,019
Depreciation $ 150,428 $ 142,856 $ 298,306 $ 283,748