Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013
Cash flows from operating activities:
Net loss	$ (26,854)	$ (19,508)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	1,327	1,022
Income from equity investment	0	(46)
(Loss) gain from change in fair value of embedded derivatives	(141)	25
Make whole derivative expense	8,652	0
Depreciation	2,178	2,061
Interest expense on preferred stock obligation	969	1,002
Other non-cash transactions, net	(484)	45
Decrease (increase) in operating assets:
Accounts receivable	14,337	7,724
Inventories	472	413
Other assets	3,684	(710)
Increase (decrease) in operating liabilities:
Accounts payable	(9,922)	6,804
Accrued liabilities	(10,887)	(2,441)
Deferred revenue	991	19,715
Net cash (used in) provided by operating activities	(15,678)	16,106
Cash flows from investing activities:
Capital expenditures	(1,918)	(2,553)
Cash acquired from acquisition	0	357
Net cash used in investing activities	(1,918)	(2,196)
Cash flows from financing activities:
Repayment of debt	(5,765)	(166)
Proceeds from debt	250	2,625
Increase in restricted cash and cash equivalents	(15,120)	(5,004)
Payment of preferred dividends and return of capital	(2,175)	(2,226)
Proceeds from sale of common stock, net of registration fees	36,854	0
Net cash (used in) provided by financing activities	14,044	(4,771)
Effects on cash from changes in foreign currency rates	110	21
Net increase in cash and cash equivalents	(3,442)	9,160
Cash and cash equivalents-beginning of period	67,696	46,879
Cash and cash equivalents-end of period	64,254
Supplemental cash flow disclosures:
Cash interest paid	1,617	137
Noncash financing and investing activity:
Common stock issued for Employee Stock Purchase Plan in settlement of prior year accrued employee contributions	106	85
Stock Issued During Period, Value, Conversion of Convertible Securities	32,421	0
Common stock issued for acquisition	0	3,562
Accrued Sale of Common Stock	885	0
Debt Conversion and Make Whole Obligation [Member]
Noncash financing and investing activity:
Stock Issued During Period, Value, Conversion of Convertible Securities	$ 45,060