Summary of Significant Accounting Policies - Schedule of Assets Held for Sale (Details) - USD ($)	Feb. 28, 2022	May 31, 2021
Long Lived Assets Held-for-sale [Line Items]
Total property and equipment held for sale	$ 3,314,247	$ 4,936,924
Less accumulated depreciation	(1,065,747)	(2,112,907)
Total property and equipment held for sale, net	2,248,500	2,824,017
Assets Held for Sale
Long Lived Assets Held-for-sale [Line Items]
Land	159,000	140,000
Buildings and improvements	1,616,250	246,135
Total property and equipment held for sale	1,775,250	386,135
Less accumulated depreciation	(1,341,840)	(211,288)
Total property and equipment held for sale, net	$ 433,410	$ 174,847