Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Current assets:
Cash and cash equivalents, unrestricted	$ 81,982	$ 58,852
Restricted cash and cash equivalents - short term	9,029	6,288
Accounts receivable, net	43,689	60,790
Inventories	66,222	65,754
Project Assets, Current	13,380	5,260
Other current assets	8,466	6,954
Total current assets	222,768	203,898
Restricted cash and cash equivalents - long-term	25,655	20,600
Long-term project assets	16,671	6,922
Property, plant and equipment, net	29,135	29,002
Goodwill	4,075	4,075
Intangible Assets	9,592	9,592
Other assets, net	2,016	3,142
Total assets	309,912	277,231
Current liabilities:
Current portion of long-term debt	11,619	7,358
Accounts payable	14,622	15,745
Accrued liabilities	25,836	19,175
Deferred revenue	23,506	31,787
Preferred stock obligation of subsidiary	856	823
Total current liabilities	76,439	74,888
Long-term deferred revenue	21,616	22,646
Long-term preferred stock obligation of subsidiary	13,027	12,088
Long-term debt and other liabilities	44,807	12,998
Total liabilities	155,889	122,620
Redeemable preferred stock (liquidation preference of $64,020 at April 30, 2016 and October 31, 2015)	59,857	59,857
Shareholders' equity
Common stock ($.0001 par value); 75,000,000 and 39,583,333 shares authorized as of April 30, 2016 and October 31, 2015, respectively; 30,804,069 and 25,964,710 shares issued and outstanding at April 30, 2016 and October 31, 2015, respectively.	3	3
Additional paid-in capital	960,891	934,488
Accumulated deficit	(865,758)	(838,673)
Accumulated other comprehensive loss	(307)	(509)
Treasury stock, Common, at cost (21,527 and 5,845 shares as of April 30, 2016 and October 31, 2015, respectively)	179	78
Deferred Compensation Equity	(179)	(78)
Total shareholders' equity	94,829	95,309
Noncontrolling interest in subsidiaries	(663)	(555)
Total equity	94,166	94,754
Total liabilities and equity	$ 309,912	$ 277,231