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Income Taxes (Details 2) - USD ($)
Oct. 31, 2021
Oct. 31, 2020
Deferred tax assets    
Inventory reserve $ 66,037 $ 53,860
Other reserves and allowances 44,902 36,509
Capitalized inventory costs 78,147 67,701
Tax credit and NOL carryforward 92,294 28,447
Provision for sales returns 114,745
Total deferred tax assets 396,125 186,517
Deferred tax liabilities    
Property, plant and equipment 170,821 108,627
Net deferred income taxes 225,304 77,890
Less valuation allowance (92,294)
Net deferred income taxes net of valuation allowance $ 133,010 $ 77,890