Note 5 - Product Warranties (Details) (USD $)	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013	Oct. 31, 2013	Oct. 31, 2012
Product Warranties Disclosures [Abstract]
Product Warranty Accrual	$ 165,000	$ 200,000	$ 165,000	$ 200,000	$ 190,000	$ 250,000
Product Warranty Expense	$ 88,996	$ 91,296	$ 109,535	$ 81,640