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Warranties (Details) - USD ($)
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Guarantees and Product Warranties [Abstract]    
Beginning balance $ 40,000 $ 60,000
Warranty service provided (190,614) (120,069)
New product warranties 133,725 122,498
Changes to pre-existing warranty accruals 56,889 (22,429)
Ending balance $ 40,000 $ 40,000