Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Oct. 31, 2014
Current assets:
Cash and cash equivalents, unrestricted	$ 84,664	$ 83,710
Restricted cash and cash equivalents - short term	5,625	5,523
Accounts receivable, net	60,628	64,375
Inventories	56,620	55,895
Project assets	5,712	784
Other current assets	9,880	7,528
Total current assets	223,129	217,815
Restricted cash and cash equivalents - long-term	21,642	19,600
Property, plant and equipment, net	26,589	25,825
Goodwill	4,075	4,075
Intangible Assets	9,592	9,592
Other assets, net	3,634	3,729
Total assets	288,661	280,636
Current liabilities:
Current portion of long-term debt	1,484	1,439
Accounts payable	22,501	22,969
Accrued liabilities	11,779	12,066
Deferred revenue	42,859	37,626
Preferred stock obligation of subsidiary	849	961
Total current liabilities	79,472	75,061
Long-term deferred revenue	22,190	20,705
Long-term preferred stock obligation of subsidiary	11,857	13,197
Long-term debt and other liabilities	13,273	13,367
Total liabilities	126,792	122,330
Redeemable preferred stock (liquidation preference of $64,020 at January 31, 2015 and October 31, 2014)	59,857	59,857
Shareholders' equity
Common stock ($.0001 par value); 400,000,000 as of January 31, 2015 and October 31, 2014; 291,990,254 and 287,160,003 shares issued and outstanding at January 31, 2015 and October 31, 2014, respectively.	29	29
Additional paid-in capital	917,436	909,431
Accumulated deficit	(813,380)	(809,314)
Accumulated other comprehensive loss	(447)	(159)
Treasury stock, Common, at cost (41,357 and 45,550 shares as of January 31, 2015 and October 31, 2014, respectively)	(56)	(95)
Deferred Compensation Equity	56	95
Total shareholders' equity	103,638	99,987
Noncontrolling interest in subsidiaries	(1,626)	(1,538)
Total equity	102,012	98,449
Total liabilities and equity	$ 288,661	$ 280,636