XML 66 R44.htm IDEA: XBRL DOCUMENT v3.3.1.900
Note 6 - Product Warranties (Details Textual) - USD ($)
12 Months Ended
Oct. 31, 2015
Oct. 31, 2014
Oct. 31, 2013
Accounts Payable and Accrued Liabilities [Member]      
Product Warranty Accrual $ 130,000 $ 100,000  
Product Warranty Accrual 130,000 100,000 $ 190,000
Product Warranty Expense $ 234,784 $ 220,525 $ 224,969