Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Details)

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Intangible Assets (Details) - USD ($)
3 Months Ended 9 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2021
Feb. 29, 2020
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization of Intangible Assets $ 28,716 $ 28,030 $ 87,299 $ 86,334