Accounts Receivable (Details) (USD $)	9 Months Ended	12 Months Ended
	Jul. 31, 2014	Oct. 31, 2013
Concentration Risk [Line Items]
Number of customers each accounting for greater than 10% of net accounts receivable	2	2
Allowance for Doubtful Accounts [Abstract]
Allowance for doubtful accounts	$ 2,732,000	$ 2,000,000
Customer A and Customer B | Customer Concentration Risk | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	24.30%	22.50%