Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jan. 31, 2024	Oct. 31, 2023
Current assets:
Cash and cash equivalents, unrestricted	$ 297,466	$ 249,952
Restricted cash and cash equivalents - short-term	5,957	5,159
Investments - short-term		103,760
Accounts receivable, net	3,346	3,809
Unbilled receivables	22,451	16,296
Inventories	102,859	84,456
Other current assets	13,152	12,881
Total current assets	445,231	476,313
Restricted cash and cash equivalents - long-term	45,376	44,465
Inventories - long-term	2,743	7,329
Project assets, net	260,790	258,066
Property, plant and equipment, net	97,941	89,668
Operating lease right-of-use assets, net	8,197	8,352
Goodwill	4,075	4,075
Intangible assets, net	15,752	16,076
Other assets	43,075	51,176
Total assets (1)	923,180	955,520
Current liabilities:
Current portion of long-term debt	10,198	10,067
Current portion of operating lease liabilities	694	599
Accounts payable	17,055	26,518
Accrued liabilities	22,323	26,313
Deferred revenue	3,616	2,406
Total current liabilities	53,886	65,903
Long-term deferred revenue and customer deposits	686	732
Long-term operating lease liabilities	8,912	8,992
Long-term debt and other liabilities	117,670	119,588
Total liabilities (1)	181,154	195,215
Redeemable Series B preferred stock (liquidation preference of $64,020 as of January 31, 2024 and October 31, 2023)	59,857	59,857
Stockholders' equity:
Common stock ($0.0001 par value); 1,000,000,000 shares authorized as of January 31, 2024 and October 31, 2023; 451,862,054 and 450,626,862 shares issued and outstanding as of January 31, 2024 and October 31, 2023, respectively	45	45
Additional paid-in capital	2,200,862	2,199,661
Accumulated deficit	(1,535,334)	(1,515,541)
Accumulated other comprehensive loss	(1,639)	(1,672)
Treasury stock, Common, at cost (290,866 and 246,468 shares as of January 31, 2024 and October 31, 2023, respectively)	(1,129)	(1,078)
Deferred compensation	1,129	1,078
Total stockholder's equity	663,934	682,493
Noncontrolling interests	18,235	17,955
Total equity	682,169	700,448
Total liabilities, redeemable Series B preferred stock and total equity	$ 923,180	$ 955,520