Deferred Revenue (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021	May 31, 2021
Revenue from Contract with Customer, Excluding Assessed Tax	$ 22,450,682	$ 14,511,196	$ 53,069,648	$ 47,602,690
Pallets [Member]
Revenue from Contract with Customer, Excluding Assessed Tax			9,772,750	4,291,800
Contract with Customer, Liability, Revenue Recognized			13,560,500	$ 1,380,000
Deferred Revenue	$ 10,218,357		$ 10,218,357		$ 6,430,607