Segment Information (Details 1) - USD ($)	Aug. 31, 2020	May 31, 2020
Segment assets to total assets
Ice cream	$ 17,611,627	$ 0
Measurement	2,046,250	2,251,090
Corporate assets	7,617,784	10,950,136
Total assets	$ 27,275,661	$ 13,201,226