Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2023	Oct. 31, 2022
Current assets:
Cash and cash equivalents, unrestricted	$ 315,168	$ 458,055
Restricted cash and cash equivalents - short-term	4,456	4,423
Investments - short-term	75,652
Accounts receivable, net	3,213	4,885
Unbilled receivables	13,711	11,019
Inventories	101,176	90,909
Other current assets	11,545	10,989
Total current assets	524,921	580,280
Restricted cash and cash equivalents - long-term	20,155	18,566
Inventories - long-term	7,549	7,549
Project assets, net	229,914	232,886
Property, plant and equipment, net	63,338	58,137
Operating lease right-of-use assets, net	8,997	7,189
Goodwill	4,075	4,075
Intangible assets, net	17,049	17,373
Other assets	16,385	13,662
Total assets (1)	892,383	939,717
Current liabilities:
Current portion of long-term debt	13,249	13,198
Current portion of operating lease liabilities	557	650
Accounts payable	24,590	28,196
Accrued liabilities	20,313	27,415
Deferred revenue	7,366	16,341
Total current liabilities	66,075	85,800
Long-term deferred revenue and customer deposits		9,095
Long-term operating lease liabilities	9,503	7,575
Long-term debt and other liabilities	81,575	82,863
Total liabilities (1)	157,153	185,333
Redeemable noncontrolling interest		3,030
Stockholders' equity:
Common stock ($0.0001 par value); 500,000,000 shares authorized as of January 31, 2023 and October 31, 2022; 405,732,053 and 405,562,988 shares issued and outstanding as of January 31, 2023 and October 31, 2022, respectively	41	41
Additional paid-in capital	2,095,667	2,094,076
Accumulated deficit	(1,426,595)	(1,407,973)
Accumulated other comprehensive loss	(1,305)	(1,752)
Treasury stock, Common, at cost (163,943 and 142,837 shares as of January 31, 2023 and October 31, 2022, respectively)	(923)	(855)
Deferred compensation	923	855
Total stockholder's equity	667,808	684,392
Noncontrolling interests	7,565	7,105
Total equity	675,373	691,497
Total liabilities, redeemable Series B preferred stock, redeemable noncontrolling interest and total equity	892,383	939,717
Series B Preferred Stock
Current liabilities:
Redeemable Series B preferred stock (liquidation preference of $64,020 as of January 31, 2023 and October 31, 2022)	$ 59,857	$ 59,857