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Summary of Significant Accounting Policies - Warranty Accrual (Details) (USD $)
6 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Standard Product Warranty Accrual, Balance Sheet Classification [Abstract]    
Beginning balance $ 60,000 $ 60,000
Warranty service provided (80,805) (91,506)
New product warranties 84,000 90,000
Changes to pre-existing warranty accruals (3,195) 1,506
Ending balance $ 60,000 $ 60,000