Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Details)

v3.22.1
Property, Plant and Equipment (Details) - USD ($)
3 Months Ended 9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Property, Plant and Equipment [Abstract]        
Payments to Acquire Property, Plant, and Equipment     $ 165,875 $ 181,266
Depreciation $ 150,883 $ 139,989 $ 449,189 $ 423,737