XML 19 R29.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 5 - Product Warranties - Changes in Accrual for Product Warranties (Details) (USD $)
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Balance at beginning of period $ 100,000us-gaap_ProductWarrantyAccrual $ 190,000us-gaap_ProductWarrantyAccrual
Liabilities accrued for warranties issued during the period 86,639us-gaap_ProductWarrantyAccrualWarrantiesIssued 104,777us-gaap_ProductWarrantyAccrualWarrantiesIssued
Warranty claims and costs paid during the period (34,079)us-gaap_ProductWarrantyAccrualPayments (50,539)us-gaap_ProductWarrantyAccrualPayments
Changes in liability for pre-existing warranties during the period (47,560)us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease (84,238)us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease
Balance at end of period $ 105,000us-gaap_ProductWarrantyAccrual $ 160,000us-gaap_ProductWarrantyAccrual