Patents (Schedule of patents) (Details) - USD ($)	12 Months Ended
Oct. 31, 2022	Oct. 31, 2021
Disclosure Of Information About Patents [Line Items]
Patents, beginning of period	$ 3,877	$ 11,877
Additions	(3,877)	(8,000)
Disposals	0	0
Patents, end of period	0	3,877
Cost [Member]
Disclosure Of Information About Patents [Line Items]
Patents, beginning of period	681,288	681,288
Additions	0	0
Disposals	0	0
Patents, end of period	681,288	681,288
Accumulated amortization [Member]
Disclosure Of Information About Patents [Line Items]
Patents, beginning of period	(677,411)	(669,411)
Additions	3,877	8,000
Disposals	0	0
Patents, end of period	$ (681,288)	$ (677,411)

The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Business combinations [member]; Intangible assets other than goodwill]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ References

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-Name IAS
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-IssueDate 2022-03-24
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