XML 21 R48.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 6 - Product Warranties - Changes in Accrual for Product Warranties (Details) (USD $)
12 Months Ended
Oct. 31, 2014
Oct. 31, 2013
Balance at beginning of year $ 190,000us-gaap_ProductWarrantyAccrual $ 250,000us-gaap_ProductWarrantyAccrual
Liabilities accrued for warranties issued during the year 323,564us-gaap_ProductWarrantyAccrualWarrantiesIssued 385,272us-gaap_ProductWarrantyAccrualWarrantiesIssued
Warranty claims paid during the period (310,525)us-gaap_ProductWarrantyAccrualPayments (284,969)us-gaap_ProductWarrantyAccrualPayments
Changes in liability for pre-existing warranties during the year (103,039)us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease (160,303)us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease
Balance at end of year $ 100,000us-gaap_ProductWarrantyAccrual $ 190,000us-gaap_ProductWarrantyAccrual