Income Taxes Current Provision (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Income Tax Expense (Benefit) [Line Items] [Line Items]
Provision for income taxes	$ 96	$ 55	$ 389	$ 93
Federal and State
Income Tax Expense (Benefit) [Line Items] [Line Items]
Provision for income taxes	0	(1)	4	(1)
Foreign - Europe
Income Tax Expense (Benefit) [Line Items] [Line Items]
Provision for income taxes	88	38	295	68
Foreign - India
Income Tax Expense (Benefit) [Line Items] [Line Items]
Provision for income taxes	0	0	67	0
Income Tax Examination, Liability Recorded	67		67
Foreign Withholding
Income Tax Expense (Benefit) [Line Items] [Line Items]
Provision for income taxes	$ 8	$ 18	$ 23	$ 26