Disaggregated revenue (Details) - USD ($)	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Product Information [Line Items]
Total	$ 10,002,443	$ 8,986,024
United States
Product Information [Line Items]
Total	9,543,303	8,101,360
International
Product Information [Line Items]
Total	$ 459,140	$ 884,664