Federal Income Taxes - Summary of Provision for Income Taxes (Details) - USD ($)	12 Months Ended
	May 31, 2020	May 31, 2019
Income Tax Disclosure [Abstract]
Current income tax - Federal and State	$ 26,590
Deferred income tax provision	182,410	435,677
Provision for income taxes	$ 209,000	$ 435,677