Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Supplemental Cash Flow Information [Abstract]
Interest Paid	$ 302	$ 182	$ 241
Income Taxes Paid	0	17	16
Common Stock Issued in Settlement of Prior Year Bonus Obligation	550	707	673
Common Stock Issued for Employee Stock Purchase Plan in Settlement of Prior Year Accrued Employee Contributions	84	58	109
Adjustment for Modification of Redeemable Preferred Stock of Subsidiary	$ 0	$ 8,987	$ 0