Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jul. 31, 2017	Oct. 31, 2016
Current assets:
Cash and cash equivalents, unrestricted	$ 35,683	$ 84,187
Restricted cash and cash equivalents - short-term	4,605	9,437
Accounts receivable, net	26,316	24,593
Inventories	71,984	73,806
Other current assets	6,011	10,181
Total current assets	144,599	202,204
Restricted cash and cash equivalents - long-term	33,480	24,692
Project assets	67,201	47,111
Property, plant and equipment, net	41,876	36,640
Goodwill	4,075	4,075
Intangible asset	9,592	9,592
Other assets	16,445	16,415
Total assets	317,268	340,729
Current liabilities:
Current portion of long-term debt	21,738	5,010
Accounts payable	8,757	18,475
Accrued liabilities	13,122	20,900
Deferred revenue	8,971	6,811
Preferred stock obligation of subsidiary	862	802
Total current liabilities	53,450	51,998
Long-term deferred revenue	19,430	20,974
Long-term preferred stock obligation of subsidiary	14,380	12,649
Long-term debt and other liabilities	70,338	80,855
Total liabilities	157,598	166,476
Redeemable preferred stock (liquidation preference of $64,020 as of July 31, 2017 and October 31, 2016)	59,857	59,857
Shareholders’ equity:
Common stock ($0.0001 par value); 125,000,000 and 75,000,000 shares authorized as of July 31, 2017 and October 31, 2016, respectively; 60,972,037 and 35,174,424 shares issued and outstanding as of July 31, 2017 and October 31, 2016, respectively	6	4
Additional paid-in capital	1,033,744	1,004,566
Accumulated deficit	(933,554)	(889,630)
Accumulated other comprehensive loss	(383)	(544)
Treasury stock, Common, at cost (88,861 and 21,527 shares as of July 31, 2017 and October 31, 2016, respectively)	(280)	(179)
Deferred compensation	280	179
Total shareholders’ equity	99,813	114,396
Total liabilities and shareholders' equity	$ 317,268	$ 340,729