Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Supplemental Cash Flow Information [Abstract]
Interest Paid		$ 280	$ 302	$ 182
Income Taxes Paid		17	0	17
Common Stock Issued in Settlement of Prior Year Bonus Obligation		0	550	707
Common Stock Issued for Employee Stock Purchase Plan in Settlement of Prior Year Accrued Employee Contributions		85	84	58
Common stock issued for acquisition		3,563		0
Adjustment for Modification of Redeemable Preferred Stock of Subsidiary	0	0	0	8,987
Accrued Sale of Common Stock		$ 509	$ 0	$ 0