Note 5 - Product Warranties (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013	Jul. 31, 2014	Jul. 31, 2013	Oct. 31, 2013	Oct. 31, 2012
Product Warranties Disclosures [Abstract]
Product Warranty Accrual	$ 135,000	$ 200,000	$ 135,000	$ 200,000	$ 190,000	$ 250,000
Product Warranty Expense	$ 86,430	$ 80,085	$ 195,965	$ 161,725