Separation Accrual (Schedule of Accrued Severance Expenses) (Details) (USD $)	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Separation Accrual [Abstract]
Balance, beginning of period	$ 343,000	$ 117,000
Severance incurred during the period	56,000
Severance payments	(178,000)	(87,000)
Balance, end of period	$ 221,000	$ 30,000