Segment Information - Schedule of Segment Reporting Information by Segment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 28, 2022	Feb. 28, 2021
Segment Reporting Information [Line Items]
Gross margin	$ 936,837	$ 831,190	$ 4,951,128	$ 2,400,947
Operating loss	(2,386,322)	(2,504,460)	(6,679,452)	(6,273,432)
Ice Cream
Segment Reporting Information [Line Items]
Revenue, net	972,920	621,730	5,908,291	2,282,139
Gross margin	$ 389,710	$ 263,355	$ 3,527,555	$ 944,493
Gross margin %	40.10%	42.40%	59.70%	41.40%
Operating loss	$ (1,837,593)	$ (2,200,003)	$ (4,975,684)	$ (4,901,933)
Depreciation expense	70,761	82,480	285,400	176,966
Amortization expense	5,734	6,017	17,200	16,045
Capital expenditures	10,200	249,012	188,687	481,063
Measurement
Segment Reporting Information [Line Items]
Revenue, net	875,993	1,046,714	2,661,762	2,923,502
Gross margin	$ 547,127	$ 567,834	$ 1,423,573	$ 1,456,454
Gross margin %	62.50%	54.20%	53.50%	49.80%
Operating loss	$ (548,729)	$ (304,458)	$ (1,703,768)	$ (1,371,500)
Depreciation expense	4,211	10,588	20,411	40,868
Amortization expense	26,145	21,562	78,437	73,853
Capital expenditures	$ 0	$ 2,938	$ 0	$ 29,258