CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Trade accounts receivable, allowance for doubtful accounts	$ 47	$ 30
Common stock, authorized	20,000,000	20,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	8,571,831	8,255,979
Common stock, shares outstanding	8,571,831	8,255,979