Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Current assets:
Cash and cash equivalents	$ 73,766	$ 51,415
Investments - U.S. treasury securities	0	12,016
Accounts receivable, net	20,240	21,950
Inventories	48,995	40,101
Other current assets	6,084	7,466
Total current assets	149,085	132,948
Property, plant and equipment, net	22,450	23,925
Investment in and loans to affiliate	9,826	10,466
Other assets, net	15,672	16,291
Total assets	197,033	183,630
Current liabilities:
Current portion of long-term debt	5,126	5,056
Accounts payable	10,871	14,143
Accounts payable due to affiliate	324	104
Accrued liabilities	20,454	26,894
Deferred revenue	50,380	64,114
Preferred stock obligation of subsidiary	1,071	3,854
Total current liabilities	88,226	114,165
Long-term deferred revenue	6,250	7,000
Long-term preferred stock obligation of subsidiary	12,893	12,878
Long-term debt and other liabilities	4,028	4,105
Total liabilities	111,397	138,148
Redeemable preferred stock (liquidation preference of $64,020 at July 31, 2012 and October 31, 2011)	59,857	59,857
Shareholders' equity (deficit)
Common stock ($.0001 par value); 275,000,000 shares authorized; 185,787,147 and 138,400,497 shares issued and outstanding at July 31, 2012 and October 31, 2011, respectively.	18	13
Additional paid-in capital	751,519	687,857
Accumulated deficit	(725,493)	(701,336)
Accumulated other comprehensive income	(65)	15
Treasury stock, Common, at cost (5,679 shares at July 31, 2012 and October 31, 2011)	(53)	(53)
Deferred compensation	53	53
Total shareholders' equity (deficit)	25,979	(13,451)
Noncontrolling interest in subsidiaries	(200)	(924)
Total equity (deficit)	25,779	(14,375)
Total liabilities and equity (deficit)	$ 197,033	$ 183,630