PROPERTY AND EQUIPMENT - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	9 Months Ended
	Feb. 28, 2022	May 31, 2021
Property, Plant and Equipment [Line Items]
Total cost of property and equipment	$ 43,864	$ 21
Accumulated Depreciation	(245)	(1)
Property Plant and Equipment, Net	$ 43,619	20
Electric Generation and Transformers
Property, Plant and Equipment [Line Items]
Estimated Useful Life	15 years
Total cost of property and equipment	$ 4,172	0
Software
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Total cost of property and equipment	$ 41	0
Computer Equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Total cost of property and equipment	$ 17	17
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful Life	7 years
Total cost of property and equipment	$ 432	4
Construction in Progress
Property, Plant and Equipment [Line Items]
Total cost of property and equipment	$ 4,677	0
Autos
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Total cost of property and equipment	$ 135	0
General Equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Total cost of property and equipment	$ 8,955	0
Land
Property, Plant and Equipment [Line Items]
Total cost of property and equipment	$ 1,074	0
Land Improvements
Property, Plant and Equipment [Line Items]
Estimated Useful Life	15 years
Total cost of property and equipment	$ 1,180	0
Building
Property, Plant and Equipment [Line Items]
Estimated Useful Life	39 years
Total cost of property and equipment	$ 23,181	$ 0