Warranty Reserve (Schedule of Warranty Provisions and Claims) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Warranty Reserve [Abstract]
Warranty extension period	12 months
Balance, beginning of period	$ 147	$ 109
Warranty provisions based on units sold	71	43
Periodic reserve adjustments	12	(25)
Warranty claims	(68)	(24)
Balance, end of period	$ 162	$ 103