Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Cash flows from operating activities:
Net loss	$ (24,387)	$ (38,845)
Adjustments to reconcile net loss to net cash used in operating activities:
Share-based compensation	1,517	2,049
Loss from equity investment	554	149
Accretion of redeemable preferred stock of subsidiary	0	525
Depreciation	4,174	4,813
Amortization of bond premium and interest expense on Series 1 Preferred	1,536	1,784
Other non-cash transactions	(191)	114
Decrease (increase) in operating assets:
Accounts receivable	1,725	1,221
Inventories	(8,894)	(5,328)
Other assets	2,147	(10,209)
Increase (decrease) in operating liabilities:
Accounts payable	(3,052)	5,080
Accrued liabilities	(5,892)	9,320
Deferred revenue	(14,484)	11,316
Net cash used in operating activities	(45,247)	(18,011)
Cash flows from investing activities:
Capital expenditures	(2,646)	(1,175)
Convertible loan to affiliate	0	(600)
Treasury notes matured	12,000	49,000
Treasury notes purchased	0	(33,019)
Net cash provided by investing activities	9,354	14,206
Cash flows from financing activities:
Repayment of debt	(127)	(232)
Proceeds from debt	0	2,600
Proceeds from noncontrolling interests	954	0
Payment of preferred dividends and return of capital	(6,506)	(9,994)
Proceeds from sale of common stock, net of registration fees	64,003	22,440
Net cash provided by financing activities	58,324	14,814
Effects on cash from changes in foreign currency rates	(80)	4
Net increase in cash and cash equivalents	22,351	11,013
Cash and cash equivalents-beginning of period	51,415	20,467
Cash and cash equivalents-end of period	73,766	31,480
Supplemental cash flow disclosures:
Cash interest paid	229	115
Noncash financing and investing activity:
Common stock issued in settlement of prior year bonus obligation	550	707
Common stock issued for Employee Stock Purchase Plan in settlement of prior year accrued employee contributions	84	125
Adjustment for Modification of Redeemable Preferred Stock of Subsidiary	$ 0	$ 8,987